34865440 has 24 divisors (see below), whose sum is σ = 82369980. Its totient is φ = 13946112.

The previous prime is 34865431. The next prime is 34865443. The reversal of 34865440 is 4456843.

It can be written as a sum of positive squares in 2 ways, for example, as 31494544 + 3370896 = 5612^2 + 1836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34865396 and 34865405.

It is not an unprimeable number, because it can be changed into a prime (34865443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108795 + ... + 109114.

Almost surely, 2^34865440 is an apocalyptic number.

It is an amenable number.

34865440 is an abundant number, since it is smaller than the sum of its proper divisors (47504540).

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

34865440 is a wasteful number, since it uses less digits than its factorization.

34865440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217924 (or 217916 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 34865440 is about 5904.6964358890. The cubic root of 34865440 is about 326.6868977243.

The spelling of 34865440 in words is "thirty-four million, eight hundred sixty-five thousand, four hundred forty".