64634248 has 16 divisors (see below), whose sum is σ = 138502080. Its totient is φ = 27700368.

The previous prime is 64634239. The next prime is 64634249. The reversal of 64634248 is 84243646.

It is not an unprimeable number, because it can be changed into a prime (64634249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577036 + ... + 577147.

It is an arithmetic number, because the mean of its divisors is an integer number (8656380).

Almost surely, 2^64634248 is an apocalyptic number.

It is an amenable number.

64634248 is an abundant number, since it is smaller than the sum of its proper divisors (73867832).

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

64634248 is a wasteful number, since it uses less digits than its factorization.

64634248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154196 (or 1154192 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 64634248 is about 8039.5427730686. The cubic root of 64634248 is about 401.3170089594.

The spelling of 64634248 in words is "sixty-four million, six hundred thirty-four thousand, two hundred forty-eight".