421370793 has 12 divisors (see below), whose sum is σ = 611330928. Its totient is φ = 279675000.

The previous prime is 421370791. The next prime is 421370797. The reversal of 421370793 is 397073124.

It is not a de Polignac number, because 421370793 - 2¹ = 421370791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421370791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101083 + ... + 105168.

It is an arithmetic number, because the mean of its divisors is an integer number (50944244).

Almost surely, 2^421370793 is an apocalyptic number.

It is an amenable number.

421370793 is a deficient number, since it is larger than the sum of its proper divisors (189960135).

421370793 is a wasteful number, since it uses less digits than its factorization.

421370793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206484 (or 206481 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 421370793 is about 20527.3182125674. The cubic root of 421370793 is about 749.7010915541.

The spelling of 421370793 in words is "four hundred twenty-one million, three hundred seventy thousand, seven hundred ninety-three".