1993497 has 16 divisors (see below), whose sum is σ = 2923968. Its totient is φ = 1198080.

The previous prime is 1993493. The next prime is 1993507. The reversal of 1993497 is 7943991.

It is not a de Polignac number, because 1993497 - 2² = 1993493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1993493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6213 + ... + 6525.

It is an arithmetic number, because the mean of its divisors is an integer number (182748).

2^1993497 is an apocalyptic number.

It is an amenable number.

1993497 is a deficient number, since it is larger than the sum of its proper divisors (930471).

1993497 is a wasteful number, since it uses less digits than its factorization.

1993497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its digits is 61236, while the sum is 42.

The square root of 1993497 is about 1411.9125327017. The cubic root of 1993497 is about 125.8554022762.

The spelling of 1993497 in words is "one million, nine hundred ninety-three thousand, four hundred ninety-seven".