1993377452 has 24 divisors (see below), whose sum is σ = 3811104192. Its totient is φ = 904755600.

The previous prime is 1993377443. The next prime is 1993377487. The reversal of 1993377452 is 2547733991.

It is a super-2 number, since 2×1993377452² = 7947107332284024608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1993377452.

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, 2378 + ... + 63185.

It is an arithmetic number, because the mean of its divisors is an integer number (158796008).

Almost surely, 2^1993377452 is an apocalyptic number.

It is an amenable number.

1993377452 is a deficient number, since it is larger than the sum of its proper divisors (1817726740).

1993377452 is a wasteful number, since it uses less digits than its factorization.

1993377452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66269 (or 66267 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 50.

The square root of 1993377452 is about 44647.2558171272. The cubic root of 1993377452 is about 1258.5288641880.

The spelling of 1993377452 in words is "one billion, nine hundred ninety-three million, three hundred seventy-seven thousand, four hundred fifty-two".