3731940 has 48 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 995040.

The previous prime is 3731933. The next prime is 3731947. The reversal of 3731940 is 491373.

3731940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3731933) and next prime (3731947).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3731947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^3731940 is an apocalyptic number.

3731940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3731940 is an abundant number, since it is smaller than the sum of its proper divisors (7880220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3731940 is a wasteful number, since it uses less digits than its factorization.

3731940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929 (or 6921 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 3731940 is about 1931.8229732561. The cubic root of 3731940 is about 155.1118166455. Note that the first 3 decimals are identical.

The spelling of 3731940 in words is "three million, seven hundred thirty-one thousand, nine hundred forty".