3794877421 has 4 divisors (see below), whose sum is σ = 3795444000. Its totient is φ = 3794310844.

The previous prime is 3794877413. The next prime is 3794877473. The reversal of 3794877421 is 1247784973.

It is a happy number.

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 3794877421 - 2³ = 3794877413 is a prime.

It is a super-2 number, since 2×3794877421² = 28802189280831222482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3794875421) 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, 273121 + ... + 286678.

It is an arithmetic number, because the mean of its divisors is an integer number (948861000).

Almost surely, 2^3794877421 is an apocalyptic number.

It is an amenable number.

3794877421 is a deficient number, since it is larger than the sum of its proper divisors (566579).

3794877421 is an equidigital number, since it uses as much as digits as its factorization.

3794877421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566578.

The product of its digits is 2370816, while the sum is 52.

The square root of 3794877421 is about 61602.5764152767. The cubic root of 3794877421 is about 1559.7892303728.

The spelling of 3794877421 in words is "three billion, seven hundred ninety-four million, eight hundred seventy-seven thousand, four hundred twenty-one".