801421437 has 8 divisors (see below), whose sum is σ = 1068795904. Its totient is φ = 534163968.

The previous prime is 801421433. The next prime is 801421471. The reversal of 801421437 is 734124108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 801421437 - 2² = 801421433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801421433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11773 + ... + 41730.

It is an arithmetic number, because the mean of its divisors is an integer number (133599488).

Almost surely, 2^801421437 is an apocalyptic number.

It is an amenable number.

801421437 is a deficient number, since it is larger than the sum of its proper divisors (267374467).

801421437 is a wasteful number, since it uses less digits than its factorization.

801421437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58499.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 801421437 is about 28309.3877892123. The cubic root of 801421437 is about 928.8672519188.

The spelling of 801421437 in words is "eight hundred one million, four hundred twenty-one thousand, four hundred thirty-seven".