421388086 has 8 divisors (see below), whose sum is σ = 722379600. Its totient is φ = 180594888.

The previous prime is 421388081. The next prime is 421388101. The reversal of 421388086 is 680883124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421388081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15049561 + ... + 15049588.

It is an arithmetic number, because the mean of its divisors is an integer number (90297450).

Almost surely, 2^421388086 is an apocalyptic number.

421388086 is a deficient number, since it is larger than the sum of its proper divisors (300991514).

421388086 is a wasteful number, since it uses less digits than its factorization.

421388086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30099158.

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

The square root of 421388086 is about 20527.7394274187. The cubic root of 421388086 is about 749.7113472908.

The spelling of 421388086 in words is "four hundred twenty-one million, three hundred eighty-eight thousand, eighty-six".