1988548 has 6 divisors (see below), whose sum is σ = 3479966. Its totient is φ = 994272.

The previous prime is 1988537. The next prime is 1988549. The reversal of 1988548 is 8458891.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 6084 = 1408^2 + 78^2 .

It is not an unprimeable number, because it can be changed into a prime (1988549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248565 + ... + 248572.

2^1988548 is an apocalyptic number.

It is an amenable number.

1988548 is a deficient number, since it is larger than the sum of its proper divisors (1491418).

1988548 is a wasteful number, since it uses less digits than its factorization.

1988548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497141 (or 497139 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 1988548 is about 1410.1588562995. The cubic root of 1988548 is about 125.7511676024.

The spelling of 1988548 in words is "one million, nine hundred eighty-eight thousand, five hundred forty-eight".