6361998 has 16 divisors (see below), whose sum is σ = 13393920. Its totient is φ = 2009016.

The previous prime is 6361997. The next prime is 6362009. The reversal of 6361998 is 8991636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361997) 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, 27790 + ... + 28017.

It is an arithmetic number, because the mean of its divisors is an integer number (837120).

Almost surely, 2^6361998 is an apocalyptic number.

6361998 is an abundant number, since it is smaller than the sum of its proper divisors (7031922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6361998 is a wasteful number, since it uses less digits than its factorization.

6361998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55831.

The product of its digits is 69984, while the sum is 42.

The square root of 6361998 is about 2522.3001407446. The cubic root of 6361998 is about 185.2953451403.

The spelling of 6361998 in words is "six million, three hundred sixty-one thousand, nine hundred ninety-eight".