4537992 has 32 divisors (see below), whose sum is σ = 11839680. Its totient is φ = 1446720.

The previous prime is 4537987. The next prime is 4537993. The reversal of 4537992 is 2997354.

It is a self number, because there is not a number n which added to its sum of digits gives 4537992.

It is not an unprimeable number, because it can be changed into a prime (4537993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3559 + ... + 4662.

It is an arithmetic number, because the mean of its divisors is an integer number (369990).

Almost surely, 2^4537992 is an apocalyptic number.

It is an amenable number.

4537992 is an abundant number, since it is smaller than the sum of its proper divisors (7301688).

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

4537992 is a wasteful number, since it uses less digits than its factorization.

4537992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253 (or 8249 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 4537992 is about 2130.2563226053. The cubic root of 4537992 is about 165.5596788574.

The spelling of 4537992 in words is "four million, five hundred thirty-seven thousand, nine hundred ninety-two".