1997204 has 24 divisors (see below), whose sum is σ = 4015200. Its totient is φ = 859680.

The previous prime is 1997189. The next prime is 1997213. The reversal of 1997204 is 4027991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (167300).

2^1997204 is an apocalyptic number.

It is an amenable number.

1997204 is an abundant number, since it is smaller than the sum of its proper divisors (2017996).

1997204 is a wasteful number, since it uses less digits than its factorization.

1997204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1997204 is about 1413.2246813582. The cubic root of 1997204 is about 125.9333652874.

The spelling of 1997204 in words is "one million, nine hundred ninety-seven thousand, two hundred four".