7216436 has 12 divisors (see below), whose sum is σ = 12817728. Its totient is φ = 3554232.

The previous prime is 7216423. The next prime is 7216439. The reversal of 7216436 is 6346127.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7216399 and 7216408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13196 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (1068144).

Almost surely, 2^7216436 is an apocalyptic number.

It is an amenable number.

7216436 is a deficient number, since it is larger than the sum of its proper divisors (5601292).

7216436 is a wasteful number, since it uses less digits than its factorization.

7216436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26998 (or 26996 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 7216436 is about 2686.3424949176. The cubic root of 7216436 is about 193.2446984382.

The spelling of 7216436 in words is "seven million, two hundred sixteen thousand, four hundred thirty-six".