421352859 has 16 divisors (see below), whose sum is σ = 578460960. Its totient is φ = 272643840.

The previous prime is 421352831. The next prime is 421352909. The reversal of 421352859 is 958253124.

It is not a de Polignac number, because 421352859 - 2¹³ = 421344667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421352059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15537 + ... + 32925.

It is an arithmetic number, because the mean of its divisors is an integer number (36153810).

Almost surely, 2^421352859 is an apocalyptic number.

421352859 is a deficient number, since it is larger than the sum of its proper divisors (157108101).

421352859 is a wasteful number, since it uses less digits than its factorization.

421352859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630.

The product of its digits is 86400, while the sum is 39.

The square root of 421352859 is about 20526.8813754063. The cubic root of 421352859 is about 749.6904553715.

The spelling of 421352859 in words is "four hundred twenty-one million, three hundred fifty-two thousand, eight hundred fifty-nine".