399882652 has 12 divisors (see below), whose sum is σ = 753625096. Its totient is φ = 184561200.

The previous prime is 399882641. The next prime is 399882667. The reversal of 399882652 is 256288993.

It is a happy number.

It is a super-3 number, since 3×399882652³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 7690051 = 399882652 / (3 + 9 + 9 + 8 + 8 + 2 + 6 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 399882652.

It is a congruent number.

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, 3844974 + ... + 3845077.

Almost surely, 2^399882652 is an apocalyptic number.

It is an amenable number.

399882652 is a deficient number, since it is larger than the sum of its proper divisors (353742444).

399882652 is a wasteful number, since it uses less digits than its factorization.

399882652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690068 (or 7690066 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 399882652 is about 19997.0660848035. The cubic root of 399882652 is about 736.7342403929.

The spelling of 399882652 in words is "three hundred ninety-nine million, eight hundred eighty-two thousand, six hundred fifty-two".