1988074 has 16 divisors (see below), whose sum is σ = 3395520. Its totient is φ = 864160.

The previous prime is 1988057. The next prime is 1988087. The reversal of 1988074 is 4708891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (212220).

2^1988074 is an apocalyptic number.

1988074 is a deficient number, since it is larger than the sum of its proper divisors (1407446).

1988074 is a wasteful number, since it uses less digits than its factorization.

1988074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1988074 is about 1409.9907801117. The cubic root of 1988074 is about 125.7411752546.

The spelling of 1988074 in words is "one million, nine hundred eighty-eight thousand, seventy-four".