34219840 has 28 divisors (see below), whose sum is σ = 81486756. Its totient is φ = 13687808.

The previous prime is 34219819. The next prime is 34219853. The reversal of 34219840 is 4891243.

It can be written as a sum of positive squares in 2 ways, for example, as 13133376 + 21086464 = 3624^2 + 4592^2 .

It is a congruent number.

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, 53149 + ... + 53788.

Almost surely, 2^34219840 is an apocalyptic number.

It is an amenable number.

34219840 is an abundant number, since it is smaller than the sum of its proper divisors (47266916).

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

34219840 is a wasteful number, since it uses less digits than its factorization.

34219840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106954 (or 106944 counting only the distinct ones).

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

The square root of 34219840 is about 5849.7726451547. The cubic root of 34219840 is about 324.6579122417.

The spelling of 34219840 in words is "thirty-four million, two hundred nineteen thousand, eight hundred forty".