394749552 has 40 divisors (see below), whose sum is σ = 1064110464. Its totient is φ = 125861824.

The previous prime is 394749541. The next prime is 394749557. The reversal of 394749552 is 255947493.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394749557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177678 + ... + 179885.

Almost surely, 2^394749552 is an apocalyptic number.

It is an amenable number.

394749552 is an abundant number, since it is smaller than the sum of its proper divisors (669360912).

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

394749552 is a wasteful number, since it uses less digits than its factorization.

394749552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357597 (or 357591 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 394749552 is about 19868.3052120708. The cubic root of 394749552 is about 733.5682879833.

The spelling of 394749552 in words is "three hundred ninety-four million, seven hundred forty-nine thousand, five hundred fifty-two".