3158628 has 24 divisors (see below), whose sum is σ = 8040480. Its totient is φ = 957120.

The previous prime is 3158609. The next prime is 3158629. The reversal of 3158628 is 8268513.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3158629) 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, 11833 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (335020).

Almost surely, 2^3158628 is an apocalyptic number.

It is an amenable number.

3158628 is an abundant number, since it is smaller than the sum of its proper divisors (4881852).

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

3158628 is a wasteful number, since it uses less digits than its factorization.

3158628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23947 (or 23945 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 3158628 is about 1777.2529364162. The cubic root of 3158628 is about 146.7234376185.

The spelling of 3158628 in words is "three million, one hundred fifty-eight thousand, six hundred twenty-eight".