406702648 has 16 divisors (see below), whose sum is σ = 831891960. Its totient is φ = 184864800.

The previous prime is 406702633. The next prime is 406702651. The reversal of 406702648 is 846207604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310723 + ... + 2310898.

Almost surely, 2^406702648 is an apocalyptic number.

It is an amenable number.

406702648 is an abundant number, since it is smaller than the sum of its proper divisors (425189312).

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

406702648 is a wasteful number, since it uses less digits than its factorization.

406702648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621638 (or 4621634 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 406702648 is about 20166.8700595804. The cubic root of 406702648 is about 740.8989853456.

The spelling of 406702648 in words is "four hundred six million, seven hundred two thousand, six hundred forty-eight".