3145650 has 48 divisors (see below), whose sum is σ = 7942944. Its totient is φ = 823680.

The previous prime is 3145633. The next prime is 3145661. The reversal of 3145650 is 565413.

It is a super-2 number, since 2×3145650² = 19790227845000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9894 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (165478).

Almost surely, 2^3145650 is an apocalyptic number.

3145650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3971472).

3145650 is an abundant number, since it is smaller than the sum of its proper divisors (4797294).

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

3145650 is a wasteful number, since it uses less digits than its factorization.

3145650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3145650 is about 1773.5980378880. The cubic root of 3145650 is about 146.5222119947.

The spelling of 3145650 in words is "three million, one hundred forty-five thousand, six hundred fifty".