1997038 has 8 divisors (see below), whose sum is σ = 3076632. Its totient is φ = 971496.

The previous prime is 1997029. The next prime is 1997053. The reversal of 1997038 is 8307991.

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1996988 and 1997006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13420 + ... + 13567.

It is an arithmetic number, because the mean of its divisors is an integer number (384579).

2^1997038 is an apocalyptic number.

1997038 is a deficient number, since it is larger than the sum of its proper divisors (1079594).

1997038 is a wasteful number, since it uses less digits than its factorization.

1997038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27026.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1997038 is about 1413.1659492077. The cubic root of 1997038 is about 125.9298761566.

Subtracting from 1997038 its sum of digits (37), we obtain a triangular number (1997001 = T₁₉₉₈).

The spelling of 1997038 in words is "one million, nine hundred ninety-seven thousand, thirty-eight".