2923407 has 12 divisors (see below), whose sum is σ = 4337320. Its totient is φ = 1896048.

The previous prime is 2923387. The next prime is 2923409. The reversal of 2923407 is 7043292.

It is not a de Polignac number, because 2923407 - 2⁷ = 2923279 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 9 + 2²¹ + 3⁷ + 4 + 0 + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4057 + ... + 4722.

2^2923407 is an apocalyptic number.

2923407 is a deficient number, since it is larger than the sum of its proper divisors (1413913).

2923407 is a wasteful number, since it uses less digits than its factorization.

2923407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2923407 is about 1709.7973564139. The cubic root of 2923407 is about 142.9869582381.

Adding to 2923407 its reverse (7043292), we get a palindrome (9966699).

Subtracting 2923407 from its reverse (7043292), we obtain a triangular number (4119885 = T₂₈₇₀).

It can be divided in two parts, 29 and 23407, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 2923407 in words is "two million, nine hundred twenty-three thousand, four hundred seven".