1974988 has 6 divisors (see below), whose sum is σ = 3456236. Its totient is φ = 987492.

The previous prime is 1974983. The next prime is 1974989. The reversal of 1974988 is 8894791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1974983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246870 + ... + 246877.

2^1974988 is an apocalyptic number.

It is an amenable number.

1974988 is a deficient number, since it is larger than the sum of its proper divisors (1481248).

1974988 is a wasteful number, since it uses less digits than its factorization.

1974988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493751 (or 493749 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 1974988 is about 1405.3426628406. The cubic root of 1974988 is about 125.4646810979.

It can be divided in two parts, 197498 and 8, that added together give a triangular number (197506 = T₆₂₈).

The spelling of 1974988 in words is "one million, nine hundred seventy-four thousand, nine hundred eighty-eight".