406648396 has 24 divisors (see below), whose sum is σ = 887233536. Its totient is φ = 158434320.

The previous prime is 406648367. The next prime is 406648397. The reversal of 406648396 is 693846604.

It is not an unprimeable number, because it can be changed into a prime (406648397) 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, 659836 + ... + 660451.

It is an arithmetic number, because the mean of its divisors is an integer number (36968064).

Almost surely, 2^406648396 is an apocalyptic number.

It is an amenable number.

406648396 is an abundant number, since it is smaller than the sum of its proper divisors (480585140).

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

406648396 is a wasteful number, since it uses less digits than its factorization.

406648396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320309 (or 1320307 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 406648396 is about 20165.5249373777. The cubic root of 406648396 is about 740.8660398678.

It can be divided in two parts, 406648 and 396, that added together give a square (407044 = 638²).

The spelling of 406648396 in words is "four hundred six million, six hundred forty-eight thousand, three hundred ninety-six".