3731889 has 24 divisors (see below), whose sum is σ = 5909760. Its totient is φ = 2087904.

The previous prime is 3731887. The next prime is 3731909. The reversal of 3731889 is 9881373.

It is not a de Polignac number, because 3731889 - 2¹ = 3731887 is a prime.

It is an Ulam number.

3731889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3731887) 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, 7552 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

Almost surely, 2^3731889 is an apocalyptic number.

It is an amenable number.

3731889 is a deficient number, since it is larger than the sum of its proper divisors (2177871).

3731889 is a wasteful number, since it uses less digits than its factorization.

3731889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 542 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 3731889 is about 1931.8097732437. The cubic root of 3731889 is about 155.1111100658. Note that the first 5 decimals are identical.

The spelling of 3731889 in words is "three million, seven hundred thirty-one thousand, eight hundred eighty-nine".