406391462 has 32 divisors (see below), whose sum is σ = 659073024. Its totient is φ = 187387200.

The previous prime is 406391449. The next prime is 406391501. The reversal of 406391462 is 264193604.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742673 + ... + 743219.

It is an arithmetic number, because the mean of its divisors is an integer number (20596032).

Almost surely, 2^406391462 is an apocalyptic number.

406391462 is a deficient number, since it is larger than the sum of its proper divisors (252681562).

406391462 is a wasteful number, since it uses less digits than its factorization.

406391462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 406391462 is about 20159.1533056327. The cubic root of 406391462 is about 740.7099723808.

The spelling of 406391462 in words is "four hundred six million, three hundred ninety-one thousand, four hundred sixty-two".