421923358 has 16 divisors (see below), whose sum is σ = 658226880. Its totient is φ = 202658976.

The previous prime is 421923343. The next prime is 421923379. The reversal of 421923358 is 853329124.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30241 + ... + 41932.

It is an arithmetic number, because the mean of its divisors is an integer number (41139180).

Almost surely, 2^421923358 is an apocalyptic number.

421923358 is a deficient number, since it is larger than the sum of its proper divisors (236303522).

421923358 is a wasteful number, since it uses less digits than its factorization.

421923358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72291.

The product of its digits is 51840, while the sum is 37.

The square root of 421923358 is about 20540.7730623752. The cubic root of 421923358 is about 750.0286554977.

The spelling of 421923358 in words is "four hundred twenty-one million, nine hundred twenty-three thousand, three hundred fifty-eight".