406008730 has 16 divisors (see below), whose sum is σ = 735194880. Its totient is φ = 161430352.

The previous prime is 406008727. The next prime is 406008737. The reversal of 406008730 is 37800604.

It is not an unprimeable number, because it can be changed into a prime (406008737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119890 + ... + 123229.

It is an arithmetic number, because the mean of its divisors is an integer number (45949680).

Almost surely, 2^406008730 is an apocalyptic number.

406008730 is a deficient number, since it is larger than the sum of its proper divisors (329186150).

406008730 is a wasteful number, since it uses less digits than its factorization.

406008730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243293.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 406008730 is about 20149.6583097580. The cubic root of 406008730 is about 740.4773703386.

The spelling of 406008730 in words is "four hundred six million, eight thousand, seven hundred thirty".