2658047 has 4 divisors (see below), whose sum is σ = 3037776. Its totient is φ = 2278320.

The previous prime is 2658023. The next prime is 2658049. The reversal of 2658047 is 7408562.

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 2658047 - 2¹⁰ = 2657023 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658049) 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, 189854 + ... + 189867.

It is an arithmetic number, because the mean of its divisors is an integer number (759444).

2^2658047 is an apocalyptic number.

2658047 is a deficient number, since it is larger than the sum of its proper divisors (379729).

2658047 is an equidigital number, since it uses as much as digits as its factorization.

2658047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379728.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2658047 is about 1630.3518025261. The cubic root of 2658047 is about 138.5226800169.

The spelling of 2658047 in words is "two million, six hundred fifty-eight thousand, forty-seven".