64634948 has 12 divisors (see below), whose sum is σ = 129269952. Its totient is φ = 27700680.

The previous prime is 64634923. The next prime is 64634951. The reversal of 64634948 is 84943646.

64634948 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 64634899 and 64634908.

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, 1154168 + ... + 1154223.

It is an arithmetic number, because the mean of its divisors is an integer number (10772496).

Almost surely, 2^64634948 is an apocalyptic number.

It is an amenable number.

64634948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64634948 is a wasteful number, since it uses less digits than its factorization.

64634948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308402 (or 2308400 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 64634948 is about 8039.5863077648. The cubic root of 64634948 is about 401.3184577315.

It can be divided in two parts, 6463 and 4948, that added together give a palindrome (11411).

The spelling of 64634948 in words is "sixty-four million, six hundred thirty-four thousand, nine hundred forty-eight".