363988 has 6 divisors (see below), whose sum is σ = 636986. Its totient is φ = 181992.

The previous prime is 363977. The next prime is 363989. The reversal of 363988 is 889363.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213444 + 150544 = 462^2 + 388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45495 + ... + 45502.

2³⁶³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

363988 is a deficient number, since it is larger than the sum of its proper divisors (272998).

363988 is a wasteful number, since it uses less digits than its factorization.

363988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91001 (or 90999 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 363988 is about 603.3141801748. The cubic root of 363988 is about 71.3995851911.

The spelling of 363988 in words is "three hundred sixty-three thousand, nine hundred eighty-eight".