406387074 has 32 divisors (see below), whose sum is σ = 863913600. Its totient is φ = 127000832.

The previous prime is 406387061. The next prime is 406387141. The reversal of 406387074 is 470783604.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19252 + ... + 34400.

It is an arithmetic number, because the mean of its divisors is an integer number (26997300).

Almost surely, 2^406387074 is an apocalyptic number.

406387074 is an abundant number, since it is smaller than the sum of its proper divisors (457526526).

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

406387074 is a wasteful number, since it uses less digits than its factorization.

406387074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 406387074 is about 20159.0444714029. The cubic root of 406387074 is about 740.7073064397.

The spelling of 406387074 in words is "four hundred six million, three hundred eighty-seven thousand, seventy-four".