1958628 has 36 divisors (see below), whose sum is σ = 5317872. Its totient is φ = 559440.

The previous prime is 1958617. The next prime is 1958633. The reversal of 1958628 is 8268591.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078 + ... + 2253.

2^1958628 is an apocalyptic number.

It is an amenable number.

1958628 is an abundant number, since it is smaller than the sum of its proper divisors (3359244).

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

1958628 is a wasteful number, since it uses less digits than its factorization.

1958628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3343 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 1958628 is about 1399.5099142200. The cubic root of 1958628 is about 125.1172872485.

The spelling of 1958628 in words is "one million, nine hundred fifty-eight thousand, six hundred twenty-eight".