2097490 has 16 divisors (see below), whose sum is σ = 3792600. Its totient is φ = 835200.

The previous prime is 2097481. The next prime is 2097499. The reversal of 2097490 is 947902.

It is an interprime number because it is at equal distance from previous prime (2097481) and next prime (2097499).

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 49729 = 1431^2 + 223^2 .

It is not an unprimeable number, because it can be changed into a prime (2097499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190 + ... + 3790.

2^2097490 is an apocalyptic number.

2097490 is a deficient number, since it is larger than the sum of its proper divisors (1695110).

2097490 is a wasteful number, since it uses less digits than its factorization.

2097490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2097490 is about 1448.2713834085. The cubic root of 2097490 is about 128.0068762582.

The spelling of 2097490 in words is "two million, ninety-seven thousand, four hundred ninety".