2088647 has 4 divisors (see below), whose sum is σ = 2278536. Its totient is φ = 1898760.

The previous prime is 2088643. The next prime is 2088661. The reversal of 2088647 is 7468802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2088647 - 2² = 2088643 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 (2088641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94928 + ... + 94949.

It is an arithmetic number, because the mean of its divisors is an integer number (569634).

2^2088647 is an apocalyptic number.

2088647 is the 773-rd centered heptagonal number.

2088647 is a deficient number, since it is larger than the sum of its proper divisors (189889).

2088647 is a wasteful number, since it uses less digits than its factorization.

2088647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189888.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2088647 is about 1445.2152088876. The cubic root of 2088647 is about 127.8267308895.

The spelling of 2088647 in words is "two million, eighty-eight thousand, six hundred forty-seven".