2097390 has 32 divisors (see below), whose sum is σ = 5078016. Its totient is φ = 554400.

The previous prime is 2097383. The next prime is 2097397. The reversal of 2097390 is 937902.

It is an interprime number because it is at equal distance from previous prime (2097383) and next prime (2097397).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9² + 7² + 3³ + 9² + 0 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4299 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (158688).

2^2097390 is an apocalyptic number.

2097390 is an abundant number, since it is smaller than the sum of its proper divisors (2980626).

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

2097390 is a wasteful number, since it uses less digits than its factorization.

2097390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2097390 is about 1448.2368590807. The cubic root of 2097390 is about 128.0048419392.

The spelling of 2097390 in words is "two million, ninety-seven thousand, three hundred ninety".