1973604 has 24 divisors (see below), whose sum is σ = 4637920. Its totient is φ = 653184.

The previous prime is 1973597. The next prime is 1973627. The reversal of 1973604 is 4063791.

It is a happy number.

It is a super-2 number, since 2×1973604² = 7790225497632, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 2460.

2^1973604 is an apocalyptic number.

It is an amenable number.

1973604 is an abundant number, since it is smaller than the sum of its proper divisors (2664316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973604 is a wasteful number, since it uses less digits than its factorization.

1973604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1973604 is about 1404.8501699470. The cubic root of 1973604 is about 125.4353672160.

The spelling of 1973604 in words is "one million, nine hundred seventy-three thousand, six hundred four".