1993215 has 32 divisors (see below), whose sum is σ = 3741696. Its totient is φ = 887040.

The previous prime is 1993193. The next prime is 1993217. The reversal of 1993215 is 5123991.

It is not a de Polignac number, because 1993215 - 2⁶ = 1993151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4074 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (116928).

2^1993215 is an apocalyptic number.

1993215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1993215 is a deficient number, since it is larger than the sum of its proper divisors (1748481).

1993215 is a wasteful number, since it uses less digits than its factorization.

1993215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 2430, while the sum is 30.

The square root of 1993215 is about 1411.8126646266. The cubic root of 1993215 is about 125.8494674964.

The spelling of 1993215 in words is "one million, nine hundred ninety-three thousand, two hundred fifteen".