2097739 has 12 divisors (see below), whose sum is σ = 2520768. Its totient is φ = 1738800.

The previous prime is 2097727. The next prime is 2097743. The reversal of 2097739 is 9377902.

It is not a de Polignac number, because 2097739 - 2⁷ = 2097611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2097698 and 2097707.

It is not an unprimeable number, because it can be changed into a prime (2097709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (210064).

2^2097739 is an apocalyptic number.

2097739 is a deficient number, since it is larger than the sum of its proper divisors (423029).

2097739 is a wasteful number, since it uses less digits than its factorization.

2097739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 2097739 is about 1448.3573454089. The cubic root of 2097739 is about 128.0119414315.

The spelling of 2097739 in words is "two million, ninety-seven thousand, seven hundred thirty-nine".