349850004 has 144 divisors (see below), whose sum is σ = 1038804480. Its totient is φ = 90961920.

The previous prime is 349849967. The next prime is 349850009. The reversal of 349850004 is 400058943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349850009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309312 + ... + 310440.

It is an arithmetic number, because the mean of its divisors is an integer number (7213920).

Almost surely, 2^349850004 is an apocalyptic number.

349850004 is a gapful number since it is divisible by the number (34) 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 349850004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519402240).

349850004 is an abundant number, since it is smaller than the sum of its proper divisors (688954476).

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

349850004 is a wasteful number, since it uses less digits than its factorization.

349850004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 349850004 is about 18704.2776925494. The cubic root of 349850004 is about 704.6291858101.

The spelling of 349850004 in words is "three hundred forty-nine million, eight hundred fifty thousand, four".