349377120 has 144 divisors (see below), whose sum is σ = 1197482832. Its totient is φ = 92759040.

The previous prime is 349377109. The next prime is 349377121. The reversal of 349377120 is 21773943.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349377121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476274 + ... + 477006.

It is an arithmetic number, because the mean of its divisors is an integer number (8315853).

Almost surely, 2^349377120 is an apocalyptic number.

349377120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349377120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598741416).

349377120 is an abundant number, since it is smaller than the sum of its proper divisors (848105712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349377120 is a wasteful number, since it uses less digits than its factorization.

349377120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 349377120 is about 18691.6323524726. The cubic root of 349377120 is about 704.3115657761.

The spelling of 349377120 in words is "three hundred forty-nine million, three hundred seventy-seven thousand, one hundred twenty".