3140538 has 16 divisors (see below), whose sum is σ = 6298560. Its totient is φ = 1043936.

The previous prime is 3140513. The next prime is 3140551. The reversal of 3140538 is 8350413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3478 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (393660).

Almost surely, 2^3140538 is an apocalyptic number.

3140538 is an abundant number, since it is smaller than the sum of its proper divisors (3158022).

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

3140538 is a wasteful number, since it uses less digits than its factorization.

3140538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3140538 is about 1772.1563136473. The cubic root of 3140538 is about 146.4427978133.

The spelling of 3140538 in words is "three million, one hundred forty thousand, five hundred thirty-eight".