3931340 has 24 divisors (see below), whose sum is σ = 9435552. Its totient is φ = 1347840.

The previous prime is 3931331. The next prime is 3931349. The reversal of 3931340 is 431393.

It is an interprime number because it is at equal distance from previous prime (3931331) and next prime (3931349).

It is not an unprimeable number, because it can be changed into a prime (3931349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13901 + ... + 14180.

It is an arithmetic number, because the mean of its divisors is an integer number (393148).

Almost surely, 2^3931340 is an apocalyptic number.

It is an amenable number.

3931340 is an abundant number, since it is smaller than the sum of its proper divisors (5504212).

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

3931340 is a wasteful number, since it uses less digits than its factorization.

3931340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28097 (or 28095 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3931340 is about 1982.7607016481. The cubic root of 3931340 is about 157.8266003478.

The spelling of 3931340 in words is "three million, nine hundred thirty-one thousand, three hundred forty".