34638436 has 24 divisors (see below), whose sum is σ = 70753536. Its totient is φ = 14528640.

The previous prime is 34638433. The next prime is 34638449. The reversal of 34638436 is 63483643.

It is a junction number, because it is equal to n+sod(n) for n = 34638395 and 34638404.

It is not an unprimeable number, because it can be changed into a prime (34638433) 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, 11845 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (2948064).

Almost surely, 2^34638436 is an apocalyptic number.

It is an amenable number.

34638436 is an abundant number, since it is smaller than the sum of its proper divisors (36115100).

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

34638436 is a wasteful number, since it uses less digits than its factorization.

34638436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26379 (or 26377 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 34638436 is about 5885.4427191164. The cubic root of 34638436 is about 325.9763491693.

The spelling of 34638436 in words is "thirty-four million, six hundred thirty-eight thousand, four hundred thirty-six".