406316652 has 48 divisors (see below), whose sum is σ = 1087000320. Its totient is φ = 115716672.

The previous prime is 406316639. The next prime is 406316663. The reversal of 406316652 is 256613604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18999 + ... + 34257.

It is an arithmetic number, because the mean of its divisors is an integer number (22645840).

Almost surely, 2^406316652 is an apocalyptic number.

406316652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

406316652 is an abundant number, since it is smaller than the sum of its proper divisors (680683668).

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

406316652 is a wasteful number, since it uses less digits than its factorization.

406316652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15590 (or 15588 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 406316652 is about 20157.2977355597. The cubic root of 406316652 is about 740.6645187409.

The spelling of 406316652 in words is "four hundred six million, three hundred sixteen thousand, six hundred fifty-two".