7388992 has 56 divisors (see below), whose sum is σ = 16130016. Its totient is φ = 3337728.

The previous prime is 7388981. The next prime is 7388993. The reversal of 7388992 is 2998837.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7388993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69003 + ... + 69109.

It is an arithmetic number, because the mean of its divisors is an integer number (288036).

Almost surely, 2^7388992 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 7388992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8065008).

7388992 is an abundant number, since it is smaller than the sum of its proper divisors (8741024).

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

7388992 is a wasteful number, since it uses less digits than its factorization.

7388992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 205 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 7388992 is about 2718.2700380941. The cubic root of 7388992 is about 194.7728408940.

It can be divided in two parts, 738 and 8992, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 7388992 in words is "seven million, three hundred eighty-eight thousand, nine hundred ninety-two".