406876942 has 8 divisors (see below), whose sum is σ = 610786296. Its totient is φ = 203281512.

The previous prime is 406876937. The next prime is 406876957. The reversal of 406876942 is 249678604.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 406876892 and 406876901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75213 + ... + 80440.

It is an arithmetic number, because the mean of its divisors is an integer number (76348287).

Almost surely, 2^406876942 is an apocalyptic number.

406876942 is a deficient number, since it is larger than the sum of its proper divisors (203909354).

406876942 is a wasteful number, since it uses less digits than its factorization.

406876942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156962.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 406876942 is about 20171.1908919627. The cubic root of 406876942 is about 741.0048086097.

The spelling of 406876942 in words is "four hundred six million, eight hundred seventy-six thousand, nine hundred forty-two".