3140628 has 24 divisors (see below), whose sum is σ = 7379232. Its totient is φ = 1039584.

The previous prime is 3140623. The next prime is 3140633. The reversal of 3140628 is 8260413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3140623) and next prime (3140633).

It is a junction number, because it is equal to n+sod(n) for n = 3140598 and 3140607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140623) 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, 1051 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (307468).

Almost surely, 2^3140628 is an apocalyptic number.

It is an amenable number.

3140628 is an abundant number, since it is smaller than the sum of its proper divisors (4238604).

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

3140628 is a wasteful number, since it uses less digits than its factorization.

3140628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3140628 is about 1772.1817062593. The cubic root of 3140628 is about 146.4441966952. Note that the first 3 decimals are identical.

The spelling of 3140628 in words is "three million, one hundred forty thousand, six hundred twenty-eight".