363421998 has 16 divisors (see below), whose sum is σ = 807604560. Its totient is φ = 121140648.

The previous prime is 363421979. The next prime is 363421999. The reversal of 363421998 is 899124363.

It is a happy number.

363421998 is a `hidden beast` number, since 3 + 634 + 2 + 1 + 9 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363421999) 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, 3364965 + ... + 3365072.

It is an arithmetic number, because the mean of its divisors is an integer number (50475285).

Almost surely, 2^363421998 is an apocalyptic number.

363421998 is an abundant number, since it is smaller than the sum of its proper divisors (444182562).

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

363421998 is a wasteful number, since it uses less digits than its factorization.

363421998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730048 (or 6730042 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 363421998 is about 19063.6302419030. The cubic root of 363421998 is about 713.6255716348.

The spelling of 363421998 in words is "three hundred sixty-three million, four hundred twenty-one thousand, nine hundred ninety-eight".