421386088 has 16 divisors (see below), whose sum is σ = 790433280. Its totient is φ = 210603888.

The previous prime is 421386073. The next prime is 421386101. The reversal of 421386088 is 880683124.

It is a self number, because there is not a number n which added to its sum of digits gives 421386088.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11695 + ... + 31297.

It is an arithmetic number, because the mean of its divisors is an integer number (49402080).

Almost surely, 2^421386088 is an apocalyptic number.

It is an amenable number.

421386088 is a deficient number, since it is larger than the sum of its proper divisors (369047192).

421386088 is a wasteful number, since it uses less digits than its factorization.

421386088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296 (or 22292 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 421386088 is about 20527.6907615055. The cubic root of 421386088 is about 749.7101623770.

The spelling of 421386088 in words is "four hundred twenty-one million, three hundred eighty-six thousand, eighty-eight".