399070104 has 32 divisors (see below), whose sum is σ = 1056363120. Its totient is φ = 125198336.

The previous prime is 399070093. The next prime is 399070109. The reversal of 399070104 is 401070993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399070109) 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, 488649 + ... + 489464.

Almost surely, 2^399070104 is an apocalyptic number.

399070104 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

399070104 is an abundant number, since it is smaller than the sum of its proper divisors (657293016).

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

399070104 is a wasteful number, since it uses less digits than its factorization.

399070104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978139 (or 978135 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 399070104 is about 19976.7390732321. The cubic root of 399070104 is about 736.2348956847.

The spelling of 399070104 in words is "three hundred ninety-nine million, seventy thousand, one hundred four".