2097870 has 16 divisors (see below), whose sum is σ = 5034960. Its totient is φ = 559424.

The previous prime is 2097859. The next prime is 2097883. The reversal of 2097870 is 787902.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34935 + ... + 34994.

It is an arithmetic number, because the mean of its divisors is an integer number (314685).

2^2097870 is an apocalyptic number.

2097870 is an abundant number, since it is smaller than the sum of its proper divisors (2937090).

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

2097870 is a wasteful number, since it uses less digits than its factorization.

2097870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69939.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2097870 is about 1448.4025683490. The cubic root of 2097870 is about 128.0146060806.

The spelling of 2097870 in words is "two million, ninety-seven thousand, eight hundred seventy".