7438900 has 36 divisors (see below), whose sum is σ = 18450208. Its totient is φ = 2550240.

The previous prime is 7438891. The next prime is 7438901. The reversal of 7438900 is 98347.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4614 + ... + 6013.

Almost surely, 2^7438900 is an apocalyptic number.

7438900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7438900 is an abundant number, since it is smaller than the sum of its proper divisors (11011308).

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

7438900 is a wasteful number, since it uses less digits than its factorization.

7438900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7438900 is about 2727.4346921604. The cubic root of 7438900 is about 195.2103800021.

It can be divided in two parts, 7438 and 900, that added together give a palindrome (8338).

The spelling of 7438900 in words is "seven million, four hundred thirty-eight thousand, nine hundred".