61398264 has 32 divisors (see below), whose sum is σ = 155790720. Its totient is φ = 20160096.

The previous prime is 61398229. The next prime is 61398299. The reversal of 61398264 is 46289316.

It is an interprime number because it is at equal distance from previous prime (61398229) and next prime (61398299).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17484 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (4868460).

Almost surely, 2^61398264 is an apocalyptic number.

It is an amenable number.

61398264 is an abundant number, since it is smaller than the sum of its proper divisors (94392456).

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

61398264 is a wasteful number, since it uses less digits than its factorization.

61398264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38259 (or 38255 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 61398264 is about 7835.7044354672. The cubic root of 61398264 is about 394.5045628455.

The spelling of 61398264 in words is "sixty-one million, three hundred ninety-eight thousand, two hundred sixty-four".