406199907 has 16 divisors (see below), whose sum is σ = 602686080. Its totient is φ = 270391176.

The previous prime is 406199903. The next prime is 406199933. The reversal of 406199907 is 709991604.

It is not a de Polignac number, because 406199907 - 2² = 406199903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406199903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7428 + ... + 29454.

It is an arithmetic number, because the mean of its divisors is an integer number (37667880).

Almost surely, 2^406199907 is an apocalyptic number.

406199907 is a deficient number, since it is larger than the sum of its proper divisors (196486173).

406199907 is a wasteful number, since it uses less digits than its factorization.

406199907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22719 (or 22713 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 406199907 is about 20154.4016780454. The cubic root of 406199907 is about 740.5935747602.

The spelling of 406199907 in words is "four hundred six million, one hundred ninety-nine thousand, nine hundred seven".