2047697 has 4 divisors (see below), whose sum is σ = 2050560. Its totient is φ = 2044836.

The previous prime is 2047651. The next prime is 2047699. The reversal of 2047697 is 7967402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2047697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047699) 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, 704 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (512640).

2^2047697 is an apocalyptic number.

It is an amenable number.

2047697 is a deficient number, since it is larger than the sum of its proper divisors (2863).

2047697 is a wasteful number, since it uses less digits than its factorization.

2047697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2047697 is about 1430.9776378406. The cubic root of 2047697 is about 126.9858210554.

It can be divided in two parts, 2047 and 697, that added together give a cube (2744 = 14³).

The spelling of 2047697 in words is "two million, forty-seven thousand, six hundred ninety-seven".