2093631 has 4 divisors (see below), whose sum is σ = 2791512. Its totient is φ = 1395752.

The previous prime is 2093617. The next prime is 2093639. The reversal of 2093631 is 1363902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2093631 - 2⁷ = 2093503 is a prime.

It is a super-2 number, since 2×2093631² = 8766581528322, which contains 22 as substring.

It is a D-number.

2093631 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348936 + ... + 348941.

It is an arithmetic number, because the mean of its divisors is an integer number (697878).

2^2093631 is an apocalyptic number.

2093631 is a deficient number, since it is larger than the sum of its proper divisors (697881).

2093631 is an equidigital number, since it uses as much as digits as its factorization.

2093631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697880.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2093631 is about 1446.9384921274. The cubic root of 2093631 is about 127.9283249438.

The spelling of 2093631 in words is "two million, ninety-three thousand, six hundred thirty-one".