2190526 has 16 divisors (see below), whose sum is σ = 3566304. Its totient is φ = 1003104.

The previous prime is 2190523. The next prime is 2190533. The reversal of 2190526 is 6250912.

It is a self number, because there is not a number n which added to its sum of digits gives 2190526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (222894).

2^2190526 is an apocalyptic number.

2190526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2190526 is a deficient number, since it is larger than the sum of its proper divisors (1375778).

2190526 is a wasteful number, since it uses less digits than its factorization.

2190526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2190526 is about 1480.0425669554. The cubic root of 2190526 is about 129.8721820610.

The spelling of 2190526 in words is "two million, one hundred ninety thousand, five hundred twenty-six".