3145830 has 32 divisors (see below), whose sum is σ = 7948800. Its totient is φ = 794592.

The previous prime is 3145823. The next prime is 3145841. The reversal of 3145830 is 385413.

It is a self number, because there is not a number n which added to its sum of digits gives 3145830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (248400).

Almost surely, 2^3145830 is an apocalyptic number.

3145830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3145830 is an abundant number, since it is smaller than the sum of its proper divisors (4802970).

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

3145830 is a wasteful number, since it uses less digits than its factorization.

3145830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548.

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

The square root of 3145830 is about 1773.6487814672. The cubic root of 3145830 is about 146.5250067001.

The spelling of 3145830 in words is "three million, one hundred forty-five thousand, eight hundred thirty".