2115693 has 16 divisors (see below), whose sum is σ = 3164160. Its totient is φ = 1397088.

The previous prime is 2115689. The next prime is 2115703. The reversal of 2115693 is 3965112.

It is not a de Polignac number, because 2115693 - 2² = 2115689 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121 + ... + 3737.

It is an arithmetic number, because the mean of its divisors is an integer number (197760).

2^2115693 is an apocalyptic number.

It is an amenable number.

2115693 is a deficient number, since it is larger than the sum of its proper divisors (1048467).

2115693 is a wasteful number, since it uses less digits than its factorization.

2115693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 747 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 2115693 is about 1454.5421960191. The cubic root of 2115693 is about 128.3761113738.

The spelling of 2115693 in words is "two million, one hundred fifteen thousand, six hundred ninety-three".