7964406 has 40 divisors (see below), whose sum is σ = 18007704. Its totient is φ = 2630880.

The previous prime is 7964393. The next prime is 7964413. The reversal of 7964406 is 6044697.

7964406 is a `hidden beast` number, since 7 + 9 + 644 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34066 + ... + 34298.

Almost surely, 2^7964406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7964406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9003852).

7964406 is an abundant number, since it is smaller than the sum of its proper divisors (10043298).

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

7964406 is a wasteful number, since it uses less digits than its factorization.

7964406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7964406 is about 2822.1279205592. The cubic root of 7964406 is about 199.7029423355.

The spelling of 7964406 in words is "seven million, nine hundred sixty-four thousand, four hundred six".