2093931 has 24 divisors (see below), whose sum is σ = 3587584. Its totient is φ = 1195560.

The previous prime is 2093929. The next prime is 2093953. The reversal of 2093931 is 1393902.

It is not a de Polignac number, because 2093931 - 2¹ = 2093929 is a prime.

It is a super-2 number, since 2×2093931² = 8769094065522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2093895 and 2093904.

It is not an unprimeable number, because it can be changed into a prime (2093981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086 + ... + 2316.

2^2093931 is an apocalyptic number.

2093931 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2093931 is a deficient number, since it is larger than the sum of its proper divisors (1493653).

2093931 is an equidigital number, since it uses as much as digits as its factorization.

2093931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 2093931 is about 1447.0421555711. The cubic root of 2093931 is about 127.9344350088.

The spelling of 2093931 in words is "two million, ninety-three thousand, nine hundred thirty-one".