2087397 has 32 divisors (see below), whose sum is σ = 3516800. Its totient is φ = 1213056.

The previous prime is 2087389. The next prime is 2087399. The reversal of 2087397 is 7937802.

It is not a de Polignac number, because 2087397 - 2³ = 2087389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6513 + ... + 6825.

It is an arithmetic number, because the mean of its divisors is an integer number (109900).

2^2087397 is an apocalyptic number.

2087397 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2087397 is a deficient number, since it is larger than the sum of its proper divisors (1429403).

2087397 is a wasteful number, since it uses less digits than its factorization.

2087397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2087397 is about 1444.7826826205. The cubic root of 2087397 is about 127.8012254947.

The spelling of 2087397 in words is "two million, eighty-seven thousand, three hundred ninety-seven".