60390992 has 40 divisors (see below), whose sum is σ = 121960200. Its totient is φ = 28933632.

The previous prime is 60390977. The next prime is 60391027. The reversal of 60390992 is 29909306.

It can be written as a sum of positive squares in 4 ways, for example, as 6574096 + 53816896 = 2564^2 + 7336^2 .

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, 72434 + ... + 73262.

It is an arithmetic number, because the mean of its divisors is an integer number (3049005).

Almost surely, 2^60390992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60390992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60980100).

60390992 is an abundant number, since it is smaller than the sum of its proper divisors (61569208).

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

60390992 is a wasteful number, since it uses less digits than its factorization.

60390992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 60390992 is about 7771.1641341565. The cubic root of 60390992 is about 392.3353024506.

The spelling of 60390992 in words is "sixty million, three hundred ninety thousand, nine hundred ninety-two".