400870082 has 8 divisors (see below), whose sum is σ = 627448896. Its totient is φ = 191720452.

The previous prime is 400870073. The next prime is 400870091. The reversal of 400870082 is 280078004.

It is an interprime number because it is at equal distance from previous prime (400870073) and next prime (400870091).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357238 + ... + 4357329.

It is an arithmetic number, because the mean of its divisors is an integer number (78431112).

Almost surely, 2^400870082 is an apocalyptic number.

400870082 is a deficient number, since it is larger than the sum of its proper divisors (226578814).

400870082 is a wasteful number, since it uses less digits than its factorization.

400870082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714592.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 400870082 is about 20021.7402340556. The cubic root of 400870082 is about 737.3401477544.

The spelling of 400870082 in words is "four hundred million, eight hundred seventy thousand, eighty-two".