349358400 has 168 divisors, whose sum is σ = 1273698240. Its totient is φ = 93150720.

The previous prime is 349358353. The next prime is 349358419. The reversal of 349358400 is 4853943.

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

It is a congruent number.

It is an unprimeable number.

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, 39157 + ... + 47243.

Almost surely, 2^349358400 is an apocalyptic number.

349358400 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 349358400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636849120).

349358400 is an abundant number, since it is smaller than the sum of its proper divisors (924339840).

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

349358400 is a wasteful number, since it uses less digits than its factorization.

349358400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 349358400 is about 18691.1315869318. The cubic root of 349358400 is about 704.2989862956.

The spelling of 349358400 in words is "three hundred forty-nine million, three hundred fifty-eight thousand, four hundred".