3901140 has 36 divisors (see below), whose sum is σ = 11834004. Its totient is φ = 1040256.

The previous prime is 3901127. The next prime is 3901147. The reversal of 3901140 is 411093.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 956484 = 1716^2 + 978^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10657 + ... + 11016.

Almost surely, 2^3901140 is an apocalyptic number.

3901140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3901140 is an abundant number, since it is smaller than the sum of its proper divisors (7932864).

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

3901140 is a wasteful number, since it uses less digits than its factorization.

3901140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3901140 is about 1975.1303754436. The cubic root of 3901140 is about 157.4214271728.

The spelling of 3901140 in words is "three million, nine hundred one thousand, one hundred forty".