421847315 has 16 divisors (see below), whose sum is σ = 512960448. Its totient is φ = 333006336.

The previous prime is 421847267. The next prime is 421847317. The reversal of 421847315 is 513748124.

It is a cyclic number.

It is not a de Polignac number, because 421847315 - 2⁸ = 421847059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421847317) 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, 159887 + ... + 162503.

It is an arithmetic number, because the mean of its divisors is an integer number (32060028).

Almost surely, 2^421847315 is an apocalyptic number.

421847315 is a deficient number, since it is larger than the sum of its proper divisors (91113133).

421847315 is a wasteful number, since it uses less digits than its factorization.

421847315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038.

The product of its digits is 26880, while the sum is 35.

The square root of 421847315 is about 20538.9219532087. The cubic root of 421847315 is about 749.9835937152.

The spelling of 421847315 in words is "four hundred twenty-one million, eight hundred forty-seven thousand, three hundred fifteen".