1988038 has 8 divisors (see below), whose sum is σ = 3211488. Its totient is φ = 917544.

The previous prime is 1988033. The next prime is 1988057. The reversal of 1988038 is 8308891.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1987988 and 1988006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988033) 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, 38206 + ... + 38257.

It is an arithmetic number, because the mean of its divisors is an integer number (401436).

2^1988038 is an apocalyptic number.

1988038 is a deficient number, since it is larger than the sum of its proper divisors (1223450).

1988038 is a wasteful number, since it uses less digits than its factorization.

1988038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76478.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1988038 is about 1409.9780140130. The cubic root of 1988038 is about 125.7404162772.

The spelling of 1988038 in words is "one million, nine hundred eighty-eight thousand, thirty-eight".