1988956 has 6 divisors (see below), whose sum is σ = 3480680. Its totient is φ = 994476.

The previous prime is 1988941. The next prime is 1988963. The reversal of 1988956 is 6598891.

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, 248616 + ... + 248623.

2^1988956 is an apocalyptic number.

It is an amenable number.

1988956 is a deficient number, since it is larger than the sum of its proper divisors (1491724).

1988956 is a wasteful number, since it uses less digits than its factorization.

1988956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497243 (or 497241 counting only the distinct ones).

The product of its digits is 155520, while the sum is 46.

The square root of 1988956 is about 1410.3035134325. The cubic root of 1988956 is about 125.7597673392.

The spelling of 1988956 in words is "one million, nine hundred eighty-eight thousand, nine hundred fifty-six".