1988954 has 8 divisors (see below), whose sum is σ = 3254688. Its totient is φ = 904060.

The previous prime is 1988941. The next prime is 1988963. The reversal of 1988954 is 4598891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45182 + ... + 45225.

It is an arithmetic number, because the mean of its divisors is an integer number (406836).

2^1988954 is an apocalyptic number.

1988954 is a deficient number, since it is larger than the sum of its proper divisors (1265734).

1988954 is a wasteful number, since it uses less digits than its factorization.

1988954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90420.

The product of its digits is 103680, while the sum is 44.

The square root of 1988954 is about 1410.3028043651. The cubic root of 1988954 is about 125.7597251865.

The spelling of 1988954 in words is "one million, nine hundred eighty-eight thousand, nine hundred fifty-four".