349965892 has 12 divisors (see below), whose sum is σ = 620193280. Its totient is φ = 172767816.

The previous prime is 349965841. The next prime is 349965919. The reversal of 349965892 is 298569943.

It is a happy number.

It is a super-2 number, since 2×349965892² = 244952251126711328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553428 + ... + 554059.

Almost surely, 2^349965892 is an apocalyptic number.

It is an amenable number.

349965892 is a deficient number, since it is larger than the sum of its proper divisors (270227388).

349965892 is a wasteful number, since it uses less digits than its factorization.

349965892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107570 (or 1107568 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 349965892 is about 18707.3753370161. The cubic root of 349965892 is about 704.7069801519.

The spelling of 349965892 in words is "three hundred forty-nine million, nine hundred sixty-five thousand, eight hundred ninety-two".