406337998 has 16 divisors (see below), whose sum is σ = 665967744. Its totient is φ = 184407160.

The previous prime is 406337989. The next prime is 406337999. The reversal of 406337998 is 899733604.

It is a super-2 number, since 2×406337998² = 330221137237296008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406337999) 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, 40 + ... + 28507.

It is an arithmetic number, because the mean of its divisors is an integer number (41622984).

Almost surely, 2^406337998 is an apocalyptic number.

406337998 is a deficient number, since it is larger than the sum of its proper divisors (259629746).

406337998 is a wasteful number, since it uses less digits than its factorization.

406337998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29207.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 406337998 is about 20157.8272142610. The cubic root of 406337998 is about 740.6774888779.

The spelling of 406337998 in words is "four hundred six million, three hundred thirty-seven thousand, nine hundred ninety-eight".