2190097 has 16 divisors (see below), whose sum is σ = 2765952. Its totient is φ = 1687680.

The previous prime is 2190091. The next prime is 2190103. The reversal of 2190097 is 7900912.

It is an interprime number because it is at equal distance from previous prime (2190091) and next prime (2190103).

It is a cyclic number.

It is not a de Polignac number, because 2190097 - 2¹¹ = 2188049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2190091) 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, 3438 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (172872).

2^2190097 is an apocalyptic number.

It is an amenable number.

2190097 is a deficient number, since it is larger than the sum of its proper divisors (575855).

2190097 is a wasteful number, since it uses less digits than its factorization.

2190097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2190097 is about 1479.8976315948. The cubic root of 2190097 is about 129.8637033054.

The spelling of 2190097 in words is "two million, one hundred ninety thousand, ninety-seven".