6413998 has 16 divisors (see below), whose sum is σ = 10334304. Its totient is φ = 2974720.

The previous prime is 6413983. The next prime is 6414013. The reversal of 6413998 is 8993146.

It is an interprime number because it is at equal distance from previous prime (6413983) and next prime (6414013).

It is a super-2 number, since 2×6413998² = 82278740688008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6413998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (645894).

Almost surely, 2^6413998 is an apocalyptic number.

6413998 is a deficient number, since it is larger than the sum of its proper divisors (3920306).

6413998 is a wasteful number, since it uses less digits than its factorization.

6413998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its digits is 46656, while the sum is 40.

The square root of 6413998 is about 2532.5872146878. The cubic root of 6413998 is about 185.7988151125.

The spelling of 6413998 in words is "six million, four hundred thirteen thousand, nine hundred ninety-eight".