2961623 has 16 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 2436000.

The previous prime is 2961619. The next prime is 2961659. The reversal of 2961623 is 3261692.

It is not a de Polignac number, because 2961623 - 2² = 2961619 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 (2961613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29273 + ... + 29373.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

2^2961623 is an apocalyptic number.

2961623 is a deficient number, since it is larger than the sum of its proper divisors (563497).

2961623 is a wasteful number, since it uses less digits than its factorization.

2961623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238.

The product of its digits is 3888, while the sum is 29.

The square root of 2961623 is about 1720.9366635644. The cubic root of 2961623 is about 143.6073246006.

The spelling of 2961623 in words is "two million, nine hundred sixty-one thousand, six hundred twenty-three".