7894436 has 24 divisors (see below), whose sum is σ = 15331680. Its totient is φ = 3526400.

The previous prime is 7894433. The next prime is 7894457. The reversal of 7894436 is 6344987.

It is a junction number, because it is equal to n+sod(n) for n = 7894393 and 7894402.

It is not an unprimeable number, because it can be changed into a prime (7894433) 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, 1076 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (638820).

Almost surely, 2^7894436 is an apocalyptic number.

It is an amenable number.

7894436 is a deficient number, since it is larger than the sum of its proper divisors (7437244).

7894436 is a wasteful number, since it uses less digits than its factorization.

7894436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3113 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 7894436 is about 2809.7038989901. The cubic root of 7894436 is about 199.1164020219.

It can be divided in two parts, 789 and 4436, that added together give a palindrome (5225).

The spelling of 7894436 in words is "seven million, eight hundred ninety-four thousand, four hundred thirty-six".