406696704 has 72 divisors (see below), whose sum is σ = 1089018672. Its totient is φ = 134737920.

The previous prime is 406696681. The next prime is 406696727. The reversal of 406696704 is 407696604.

It is an interprime number because it is at equal distance from previous prime (406696681) and next prime (406696727).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131334 + ... + 134394.

Almost surely, 2^406696704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406696704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544509336).

406696704 is an abundant number, since it is smaller than the sum of its proper divisors (682321968).

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

406696704 is a wasteful number, since it uses less digits than its factorization.

406696704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 406696704 is about 20166.7226886274. The cubic root of 406696704 is about 740.8953758903.

The spelling of 406696704 in words is "four hundred six million, six hundred ninety-six thousand, seven hundred four".