406842648 has 32 divisors (see below), whose sum is σ = 1019090160. Its totient is φ = 135349760.

The previous prime is 406842641. The next prime is 406842659. The reversal of 406842648 is 846248604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406842641) 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, 3765 + ... + 28772.

Almost surely, 2^406842648 is an apocalyptic number.

It is an amenable number.

406842648 is an abundant number, since it is smaller than the sum of its proper divisors (612247512).

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

406842648 is a wasteful number, since it uses less digits than its factorization.

406842648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33067 (or 33063 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 406842648 is about 20170.3408002939. The cubic root of 406842648 is about 740.9839892658.

The spelling of 406842648 in words is "four hundred six million, eight hundred forty-two thousand, six hundred forty-eight".