407873942 has 48 divisors (see below), whose sum is σ = 727565328. Its totient is φ = 170956800.

The previous prime is 407873933. The next prime is 407873971. The reversal of 407873942 is 249378704.

It is a super-2 number, since 2×407873942² = 332722305125238728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 407873893 and 407873902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016942 + ... + 1017342.

It is an arithmetic number, because the mean of its divisors is an integer number (15157611).

Almost surely, 2^407873942 is an apocalyptic number.

407873942 is a deficient number, since it is larger than the sum of its proper divisors (319691386).

407873942 is a wasteful number, since it uses less digits than its factorization.

407873942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 407873942 is about 20195.8892351884. The cubic root of 407873942 is about 741.6095608152.

The spelling of 407873942 in words is "four hundred seven million, eight hundred seventy-three thousand, nine hundred forty-two".