34418920 has 32 divisors (see below), whose sum is σ = 79247520. Its totient is φ = 13446720.

The previous prime is 34418903. The next prime is 34418927. The reversal of 34418920 is 2981443.

It is not an unprimeable number, because it can be changed into a prime (34418927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8286 + ... + 11725.

It is an arithmetic number, because the mean of its divisors is an integer number (2476485).

Almost surely, 2^34418920 is an apocalyptic number.

It is an amenable number.

34418920 is an abundant number, since it is smaller than the sum of its proper divisors (44828600).

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

34418920 is a wasteful number, since it uses less digits than its factorization.

34418920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065 (or 20061 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34418920 is about 5866.7640143439. The cubic root of 34418920 is about 325.2862802968.

The spelling of 34418920 in words is "thirty-four million, four hundred eighteen thousand, nine hundred twenty".