2115190 has 64 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 633600.

The previous prime is 2115187. The next prime is 2115193. The reversal of 2115190 is 915112.

It is an interprime number because it is at equal distance from previous prime (2115187) and next prime (2115193).

It is a super-2 number, since 2×2115190² = 8948057472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115193) 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, 31537 + ... + 31603.

It is an arithmetic number, because the mean of its divisors is an integer number (77112).

2^2115190 is an apocalyptic number.

2115190 is an abundant number, since it is smaller than the sum of its proper divisors (2819978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115190 is a wasteful number, since it uses less digits than its factorization.

2115190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 2115190 is about 1454.3692791035. The cubic root of 2115190 is about 128.3659368822.

The spelling of 2115190 in words is "two million, one hundred fifteen thousand, one hundred ninety".