34643940 has 24 divisors (see below), whose sum is σ = 97003200. Its totient is φ = 9238368.

The previous prime is 34643899. The next prime is 34643969. The reversal of 34643940 is 4934643.

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, 288640 + ... + 288759.

It is an arithmetic number, because the mean of its divisors is an integer number (4041800).

Almost surely, 2^34643940 is an apocalyptic number.

34643940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34643940 is an abundant number, since it is smaller than the sum of its proper divisors (62359260).

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

34643940 is a wasteful number, since it uses less digits than its factorization.

34643940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577411 (or 577409 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 34643940 is about 5885.9102949331. The cubic root of 34643940 is about 325.9936139866.

The spelling of 34643940 in words is "thirty-four million, six hundred forty-three thousand, nine hundred forty".