394265648 has 20 divisors (see below), whose sum is σ = 873017040. Its totient is φ = 168970944.

The previous prime is 394265629. The next prime is 394265653. The reversal of 394265648 is 846562493.

It is a super-3 number, since 3×394265648³ (a number of 27 digits) contains 333 as substring.

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, 1760003 + ... + 1760226.

It is an arithmetic number, because the mean of its divisors is an integer number (43650852).

Almost surely, 2^394265648 is an apocalyptic number.

It is an amenable number.

394265648 is an abundant number, since it is smaller than the sum of its proper divisors (478751392).

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

394265648 is a wasteful number, since it uses less digits than its factorization.

394265648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520244 (or 3520238 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The square root of 394265648 is about 19856.1236901869. The cubic root of 394265648 is about 733.2684170268.

The spelling of 394265648 in words is "three hundred ninety-four million, two hundred sixty-five thousand, six hundred forty-eight".