3797442891 has 24 divisors (see below), whose sum is σ = 6205477824. Its totient is φ = 2301478920.

The previous prime is 3797442851. The next prime is 3797442911. The reversal of 3797442891 is 1982447973.

3797442891 is a `hidden beast` number, since 37 + 97 + 442 + 89 + 1 = 666.

It is not a de Polignac number, because 3797442891 - 2⁷ = 3797442763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3797442811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707661 + ... + 713006.

It is an arithmetic number, because the mean of its divisors is an integer number (258561576).

Almost surely, 2^3797442891 is an apocalyptic number.

3797442891 is a deficient number, since it is larger than the sum of its proper divisors (2408034933).

3797442891 is a wasteful number, since it uses less digits than its factorization.

3797442891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420693 (or 1420681 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 3797442891 is about 61623.3956464588. The cubic root of 3797442891 is about 1560.1406419058.

The spelling of 3797442891 in words is "three billion, seven hundred ninety-seven million, four hundred forty-two thousand, eight hundred ninety-one".