1933997 has 8 divisors (see below), whose sum is σ = 2150400. Its totient is φ = 1727280.

The previous prime is 1933993. The next prime is 1934021. The reversal of 1933997 is 7993391.

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

It is a cyclic number.

It is not a de Polignac number, because 1933997 - 2² = 1933993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1933993) by changing a digit.

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, 1997 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (268800).

2^1933997 is an apocalyptic number.

It is an amenable number.

1933997 is a deficient number, since it is larger than the sum of its proper divisors (216403).

1933997 is a wasteful number, since it uses less digits than its factorization.

1933997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843.

The product of its digits is 45927, while the sum is 41.

The square root of 1933997 is about 1390.6822066885. The cubic root of 1933997 is about 124.5905965746.

The spelling of 1933997 in words is "one million, nine hundred thirty-three thousand, nine hundred ninety-seven".