61399324 has 24 divisors (see below), whose sum is σ = 123631200. Its totient is φ = 26135616.

The previous prime is 61399319. The next prime is 61399337. The reversal of 61399324 is 42399316.

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, 3187 + ... + 11530.

It is an arithmetic number, because the mean of its divisors is an integer number (5151300).

Almost surely, 2^61399324 is an apocalyptic number.

It is an amenable number.

61399324 is an abundant number, since it is smaller than the sum of its proper divisors (62231876).

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

61399324 is a wasteful number, since it uses less digits than its factorization.

61399324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877 (or 14875 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 61399324 is about 7835.7720742758. The cubic root of 61399324 is about 394.5068331183.

The spelling of 61399324 in words is "sixty-one million, three hundred ninety-nine thousand, three hundred twenty-four".