406015379 has 12 divisors (see below), whose sum is σ = 510036912. Its totient is φ = 316374960.

The previous prime is 406015373. The next prime is 406015387. The reversal of 406015379 is 973510604.

It is not a de Polignac number, because 406015379 - 2¹² = 406011283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406015373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238832 + ... + 240525.

It is an arithmetic number, because the mean of its divisors is an integer number (42503076).

Almost surely, 2^406015379 is an apocalyptic number.

406015379 is a deficient number, since it is larger than the sum of its proper divisors (104021533).

406015379 is a wasteful number, since it uses less digits than its factorization.

406015379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479386 (or 479375 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 406015379 is about 20149.8232994734. The cubic root of 406015379 is about 740.4814124579.

The spelling of 406015379 in words is "four hundred six million, fifteen thousand, three hundred seventy-nine".