399049962 has 16 divisors (see below), whose sum is σ = 809341632. Its totient is φ = 131143040.

The previous prime is 399049961. The next prime is 399049967. The reversal of 399049962 is 269940993.

It is not an unprimeable number, because it can be changed into a prime (399049961) 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, 467943 + ... + 468794.

It is an arithmetic number, because the mean of its divisors is an integer number (50583852).

Almost surely, 2^399049962 is an apocalyptic number.

399049962 is an abundant number, since it is smaller than the sum of its proper divisors (410291670).

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

399049962 is a wasteful number, since it uses less digits than its factorization.

399049962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936813.

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 399049962 is about 19976.2349305368. The cubic root of 399049962 is about 736.2225089782. Note that the first 3 decimals are identical.

The spelling of 399049962 in words is "three hundred ninety-nine million, forty-nine thousand, nine hundred sixty-two".