399367948 has 12 divisors (see below), whose sum is σ = 798735952. Its totient is φ = 171157680.

The previous prime is 399367939. The next prime is 399367949. The reversal of 399367948 is 849763993.

399367948 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 399367892 and 399367901.

It is not an unprimeable number, because it can be changed into a prime (399367949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7131543 + ... + 7131598.

Almost surely, 2^399367948 is an apocalyptic number.

It is an amenable number.

399367948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

399367948 is a wasteful number, since it uses less digits than its factorization.

399367948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14263152 (or 14263150 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 58.

The square root of 399367948 is about 19984.1924530365. The cubic root of 399367948 is about 736.4180118950.

The spelling of 399367948 in words is "three hundred ninety-nine million, three hundred sixty-seven thousand, nine hundred forty-eight".