420895373 has 4 divisors (see below), whose sum is σ = 423967740. Its totient is φ = 417823008.

The previous prime is 420895351. The next prime is 420895403. The reversal of 420895373 is 373598024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153834409 + 267060964 = 12403^2 + 16342^2 .

It is a cyclic number.

It is not a de Polignac number, because 420895373 - 2⁸ = 420895117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420895373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420895073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535978 + ... + 1536251.

It is an arithmetic number, because the mean of its divisors is an integer number (105991935).

Almost surely, 2^420895373 is an apocalyptic number.

It is an amenable number.

420895373 is a deficient number, since it is larger than the sum of its proper divisors (3072367).

420895373 is a wasteful number, since it uses less digits than its factorization.

420895373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072366.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 420895373 is about 20515.7347662715. The cubic root of 420895373 is about 749.4190303782.

The spelling of 420895373 in words is "four hundred twenty million, eight hundred ninety-five thousand, three hundred seventy-three".