399483137 has 8 divisors (see below), whose sum is σ = 403496160. Its totient is φ = 395478720.

The previous prime is 399483107. The next prime is 399483163. The reversal of 399483137 is 731384993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399483137 - 2¹⁰ = 399482113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 399483091 and 399483100.

It is not an unprimeable number, because it can be changed into a prime (399483107) 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, 130814 + ... + 133832.

It is an arithmetic number, because the mean of its divisors is an integer number (50437020).

Almost surely, 2^399483137 is an apocalyptic number.

It is an amenable number.

399483137 is a deficient number, since it is larger than the sum of its proper divisors (4013023).

399483137 is a wasteful number, since it uses less digits than its factorization.

399483137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303.

The product of its digits is 489888, while the sum is 47.

The square root of 399483137 is about 19987.0742481235. The cubic root of 399483137 is about 736.4888063429.

The spelling of 399483137 in words is "three hundred ninety-nine million, four hundred eighty-three thousand, one hundred thirty-seven".