7212438 has 24 divisors (see below), whose sum is σ = 16450200. Its totient is φ = 2277504.

The previous prime is 7212397. The next prime is 7212487. The reversal of 7212438 is 8342127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10203 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (685425).

Almost surely, 2^7212438 is an apocalyptic number.

7212438 is an abundant number, since it is smaller than the sum of its proper divisors (9237762).

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

7212438 is a wasteful number, since it uses less digits than its factorization.

7212438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21116 (or 21113 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 7212438 is about 2685.5982573721. The cubic root of 7212438 is about 193.2090051485.

The spelling of 7212438 in words is "seven million, two hundred twelve thousand, four hundred thirty-eight".