421869368 has 16 divisors (see below), whose sum is σ = 807835680. Its totient is φ = 206446528.

The previous prime is 421869337. The next prime is 421869373. The reversal of 421869368 is 863968124.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

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, 560621 + ... + 561372.

It is an arithmetic number, because the mean of its divisors is an integer number (50489730).

Almost surely, 2^421869368 is an apocalyptic number.

It is an amenable number.

421869368 is a deficient number, since it is larger than the sum of its proper divisors (385966312).

421869368 is a wasteful number, since it uses less digits than its factorization.

421869368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122046 (or 1122042 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 421869368 is about 20539.4588049442. The cubic root of 421869368 is about 749.9966625037.

The spelling of 421869368 in words is "four hundred twenty-one million, eight hundred sixty-nine thousand, three hundred sixty-eight".