34991432 has 16 divisors (see below), whose sum is σ = 74981760. Its totient is φ = 14996304.

The previous prime is 34991431. The next prime is 34991449. The reversal of 34991432 is 23419943.

It is a junction number, because it is equal to n+sod(n) for n = 34991392 and 34991401.

It is not an unprimeable number, because it can be changed into a prime (34991431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312368 + ... + 312479.

It is an arithmetic number, because the mean of its divisors is an integer number (4686360).

Almost surely, 2^34991432 is an apocalyptic number.

It is an amenable number.

34991432 is an abundant number, since it is smaller than the sum of its proper divisors (39990328).

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

34991432 is a wasteful number, since it uses less digits than its factorization.

34991432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624860 (or 624856 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 34991432 is about 5915.3556106121. The cubic root of 34991432 is about 327.0799369394.

The spelling of 34991432 in words is "thirty-four million, nine hundred ninety-one thousand, four hundred thirty-two".