1988546 has 8 divisors (see below), whose sum is σ = 3408960. Its totient is φ = 852228.

The previous prime is 1988537. The next prime is 1988549. The reversal of 1988546 is 6458891.

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

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 in 3 ways as a sum of consecutive naturals, for example, 71006 + ... + 71033.

It is an arithmetic number, because the mean of its divisors is an integer number (426120).

2^1988546 is an apocalyptic number.

1988546 is a deficient number, since it is larger than the sum of its proper divisors (1420414).

1988546 is a wasteful number, since it uses less digits than its factorization.

1988546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142048.

The product of its digits is 69120, while the sum is 41.

The square root of 1988546 is about 1410.1581471594. The cubic root of 1988546 is about 125.7511254440.

The spelling of 1988546 in words is "one million, nine hundred eighty-eight thousand, five hundred forty-six".