406797999 has 8 divisors (see below), whose sum is σ = 570944640. Its totient is φ = 256925016.

The previous prime is 406797971. The next prime is 406798009. The reversal of 406797999 is 999797604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406797999 - 2¹² = 406793903 is a prime.

It is a super-2 number, since 2×406797999² = 330969223980808002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406797299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568347 + ... + 3568460.

It is an arithmetic number, because the mean of its divisors is an integer number (71368080).

Almost surely, 2^406797999 is an apocalyptic number.

406797999 is a deficient number, since it is larger than the sum of its proper divisors (164146641).

406797999 is a wasteful number, since it uses less digits than its factorization.

406797999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136829.

The product of its (nonzero) digits is 7715736, while the sum is 60.

The square root of 406797999 is about 20169.2339715717. The cubic root of 406797999 is about 740.9568818123.

The spelling of 406797999 in words is "four hundred six million, seven hundred ninety-seven thousand, nine hundred ninety-nine".