34623940 has 24 divisors (see below), whose sum is σ = 78303960. Its totient is φ = 12784128.

The previous prime is 34623929. The next prime is 34623949. The reversal of 34623940 is 4932643.

It can be written as a sum of positive squares in 4 ways, for example, as 541696 + 34082244 = 736^2 + 5838^2 .

It is a super-2 number, since 2×34623940² = 2397634442247200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34623949) 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, 66325 + ... + 66844.

It is an arithmetic number, because the mean of its divisors is an integer number (3262665).

Almost surely, 2^34623940 is an apocalyptic number.

It is an amenable number.

34623940 is an abundant number, since it is smaller than the sum of its proper divisors (43680020).

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

34623940 is a wasteful number, since it uses less digits than its factorization.

34623940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133191 (or 133189 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 34623940 is about 5884.2110771114. The cubic root of 34623940 is about 325.9308697055.

The spelling of 34623940 in words is "thirty-four million, six hundred twenty-three thousand, nine hundred forty".