349621492 has 24 divisors (see below), whose sum is σ = 678777120. Its totient is φ = 156224160.

The previous prime is 349621469. The next prime is 349621501. The reversal of 349621492 is 294126943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64743 + ... + 69934.

It is an arithmetic number, because the mean of its divisors is an integer number (28282380).

Almost surely, 2^349621492 is an apocalyptic number.

It is an amenable number.

349621492 is a deficient number, since it is larger than the sum of its proper divisors (329155628).

349621492 is a wasteful number, since it uses less digits than its factorization.

349621492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134751 (or 134749 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 349621492 is about 18698.1681455698. The cubic root of 349621492 is about 704.4757378634.

The spelling of 349621492 in words is "three hundred forty-nine million, six hundred twenty-one thousand, four hundred ninety-two".