394277952 has 56 divisors (see below), whose sum is σ = 1046073600. Its totient is φ = 131063296.

The previous prime is 394277941. The next prime is 394277969. The reversal of 394277952 is 259772493.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72049 + ... + 77327.

Almost surely, 2^394277952 is an apocalyptic number.

394277952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394277952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523036800).

394277952 is an abundant number, since it is smaller than the sum of its proper divisors (651795648).

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

394277952 is a wasteful number, since it uses less digits than its factorization.

394277952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683 (or 5673 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 394277952 is about 19856.4335166213. The cubic root of 394277952 is about 733.2760447442.

The spelling of 394277952 in words is "three hundred ninety-four million, two hundred seventy-seven thousand, nine hundred fifty-two".