1956628 has 6 divisors (see below), whose sum is σ = 3424106. Its totient is φ = 978312.

The previous prime is 1956613. The next prime is 1956631. The reversal of 1956628 is 8266591.

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 559504 = 1182^2 + 748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244575 + ... + 244582.

2^1956628 is an apocalyptic number.

It is an amenable number.

1956628 is a deficient number, since it is larger than the sum of its proper divisors (1467478).

1956628 is a wasteful number, since it uses less digits than its factorization.

1956628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489161 (or 489159 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 1956628 is about 1398.7951958739. The cubic root of 1956628 is about 125.0746860338.

Subtracting from 1956628 its sum of digits (37), we obtain a palindrome (1956591).

The spelling of 1956628 in words is "one million, nine hundred fifty-six thousand, six hundred twenty-eight".