371901421 has 8 divisors (see below), whose sum is σ = 408496320. Its totient is φ = 337008672.

The previous prime is 371901391. The next prime is 371901437. The reversal of 371901421 is 124109173.

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

It is a cyclic number.

It is not a de Polignac number, because 371901421 - 2⁷ = 371901293 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 371901421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371901221) 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, 425080 + ... + 425953.

It is an arithmetic number, because the mean of its divisors is an integer number (51062040).

Almost surely, 2^371901421 is an apocalyptic number.

It is an amenable number.

371901421 is a deficient number, since it is larger than the sum of its proper divisors (36594899).

371901421 is a wasteful number, since it uses less digits than its factorization.

371901421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851075.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 371901421 is about 19284.7458111327. The cubic root of 371901421 is about 719.1331008107.

The spelling of 371901421 in words is "three hundred seventy-one million, nine hundred one thousand, four hundred twenty-one".