349902542 has 32 divisors (see below), whose sum is σ = 606438144. Its totient is φ = 149846400.

The previous prime is 349902533. The next prime is 349902547. The reversal of 349902542 is 245209943.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 349902496 and 349902505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349902547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28742 + ... + 39062.

It is an arithmetic number, because the mean of its divisors is an integer number (18951192).

Almost surely, 2^349902542 is an apocalyptic number.

349902542 is a deficient number, since it is larger than the sum of its proper divisors (256535602).

349902542 is a wasteful number, since it uses less digits than its factorization.

349902542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 349902542 is about 18705.6820779142. The cubic root of 349902542 is about 704.6644561210.

The spelling of 349902542 in words is "three hundred forty-nine million, nine hundred two thousand, five hundred forty-two".