394337725 has 12 divisors (see below), whose sum is σ = 489226624. Its totient is φ = 315310320.

The previous prime is 394337683. The next prime is 394337747. The reversal of 394337725 is 527733493.

It is not a de Polignac number, because 394337725 - 2⁷ = 394337597 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86452 + ... + 90898.

Almost surely, 2^394337725 is an apocalyptic number.

It is an amenable number.

394337725 is a deficient number, since it is larger than the sum of its proper divisors (94888899).

394337725 is a wasteful number, since it uses less digits than its factorization.

394337725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 7999 counting only the distinct ones).

The product of its digits is 476280, while the sum is 43.

The square root of 394337725 is about 19857.9385888868. The cubic root of 394337725 is about 733.3130980413.

The spelling of 394337725 in words is "three hundred ninety-four million, three hundred thirty-seven thousand, seven hundred twenty-five".