2658629 has 4 divisors (see below), whose sum is σ = 2683584. Its totient is φ = 2633676.

The previous prime is 2658611. The next prime is 2658637. The reversal of 2658629 is 9268562.

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 an emirpimes, since its reverse is a distinct semiprime: 9268562 = 2 ⋅4634281.

It is a cyclic number.

It is not a de Polignac number, because 2658629 - 2⁸ = 2658373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2658592 and 2658601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658659) 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, 12317 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (670896).

2^2658629 is an apocalyptic number.

It is an amenable number.

2658629 is a deficient number, since it is larger than the sum of its proper divisors (24955).

2658629 is a wasteful number, since it uses less digits than its factorization.

2658629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24954.

The product of its digits is 51840, while the sum is 38.

The square root of 2658629 is about 1630.5302818408. The cubic root of 2658629 is about 138.5327894840.

The spelling of 2658629 in words is "two million, six hundred fifty-eight thousand, six hundred twenty-nine".