406267715 has 12 divisors (see below), whose sum is σ = 557330736. Its totient is φ = 278501808.

The previous prime is 406267711. The next prime is 406267727. The reversal of 406267715 is 517762604.

It is not a de Polignac number, because 406267715 - 2² = 406267711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406267711) 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, 117542 + ... + 120948.

It is an arithmetic number, because the mean of its divisors is an integer number (46444228).

Almost surely, 2^406267715 is an apocalyptic number.

406267715 is a deficient number, since it is larger than the sum of its proper divisors (151063021).

406267715 is an frugal number, since it uses more digits than its factorization.

406267715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 406267715 is about 20156.0838210204. The cubic root of 406267715 is about 740.6347822003.

The spelling of 406267715 in words is "four hundred six million, two hundred sixty-seven thousand, seven hundred fifteen".