7631998 has 16 divisors (see below), whose sum is σ = 13032576. Its totient is φ = 3318040.

The previous prime is 7631971. The next prime is 7631999. The reversal of 7631998 is 8991367.

It is a super-3 number, since 3×7631998³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631999) 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, 7036 + ... + 8047.

It is an arithmetic number, because the mean of its divisors is an integer number (814536).

Almost surely, 2^7631998 is an apocalyptic number.

7631998 is a deficient number, since it is larger than the sum of its proper divisors (5400578).

7631998 is a wasteful number, since it uses less digits than its factorization.

7631998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15119.

The product of its digits is 81648, while the sum is 43.

The square root of 7631998 is about 2762.6071019962. The cubic root of 7631998 is about 196.8850540931.

The spelling of 7631998 in words is "seven million, six hundred thirty-one thousand, nine hundred ninety-eight".