399760486 has 8 divisors (see below), whose sum is σ = 599750424. Its totient is φ = 199843680.

The previous prime is 399760441. The next prime is 399760489. The reversal of 399760486 is 684067993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399760489) 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, 1555 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (74968803).

Almost surely, 2^399760486 is an apocalyptic number.

399760486 is a deficient number, since it is larger than the sum of its proper divisors (199989938).

399760486 is a wasteful number, since it uses less digits than its factorization.

399760486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36566.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 399760486 is about 19994.0112533728. The cubic root of 399760486 is about 736.6592075119.

The spelling of 399760486 in words is "three hundred ninety-nine million, seven hundred sixty thousand, four hundred eighty-six".