367861421 has 4 divisors (see below), whose sum is σ = 370064352. Its totient is φ = 365658492.

The previous prime is 367861411. The next prime is 367861457. The reversal of 367861421 is 124168763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 367861421 - 2⁶ = 367861357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (367861411) 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, 1101215 + ... + 1101548.

It is an arithmetic number, because the mean of its divisors is an integer number (92516088).

Almost surely, 2^367861421 is an apocalyptic number.

It is an amenable number.

367861421 is a deficient number, since it is larger than the sum of its proper divisors (2202931).

367861421 is a wasteful number, since it uses less digits than its factorization.

367861421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202930.

The product of its digits is 48384, while the sum is 38.

The square root of 367861421 is about 19179.7137882712. The cubic root of 367861421 is about 716.5196108823.

The spelling of 367861421 in words is "three hundred sixty-seven million, eight hundred sixty-one thousand, four hundred twenty-one".