408840948 has 18 divisors (see below), whose sum is σ = 1033459154. Its totient is φ = 136280304.

The previous prime is 408840937. The next prime is 408840967. The reversal of 408840948 is 849048804.

It can be written as a sum of positive squares in only one way, i.e., 316911204 + 91929744 = 17802^2 + 9588^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5678311 + ... + 5678382.

Almost surely, 2^408840948 is an apocalyptic number.

It is an amenable number.

408840948 is an abundant number, since it is smaller than the sum of its proper divisors (624618206).

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

408840948 is a wasteful number, since it uses less digits than its factorization.

408840948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356703 (or 11356698 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 408840948 is about 20219.8157261633. The cubic root of 408840948 is about 742.1951787583.

The spelling of 408840948 in words is "four hundred eight million, eight hundred forty thousand, nine hundred forty-eight".