349690032 has 30 divisors (see below), whose sum is σ = 978646812. Its totient is φ = 116563296.

The previous prime is 349690031. The next prime is 349690049. The reversal of 349690032 is 230096943.

It is a happy number.

It is a super-2 number, since 2×349690032² = 244566236960322048, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (349690031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1214058 + ... + 1214345.

Almost surely, 2^349690032 is an apocalyptic number.

It is an amenable number.

349690032 is an abundant number, since it is smaller than the sum of its proper divisors (628956780).

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

349690032 is a wasteful number, since it uses less digits than its factorization.

349690032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428417 (or 2428408 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 349690032 is about 18700.0008556150. Note that the first 3 decimals coincide. The cubic root of 349690032 is about 704.5217701328.

It can be divided in two parts, 3496 and 90032, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 349690032 in words is "three hundred forty-nine million, six hundred ninety thousand, thirty-two".