9264639 has 4 divisors (see below), whose sum is σ = 12352856. Its totient is φ = 6176424.

The previous prime is 9264631. The next prime is 9264667. The reversal of 9264639 is 9364629.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9364629 = 3 ⋅3121543.

It is not a de Polignac number, because 9264639 - 2³ = 9264631 is a prime.

It is a Duffinian number.

9264639 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9264597 and 9264606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9264631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544104 + ... + 1544109.

It is an arithmetic number, because the mean of its divisors is an integer number (3088214).

Almost surely, 2^9264639 is an apocalyptic number.

9264639 is a deficient number, since it is larger than the sum of its proper divisors (3088217).

9264639 is a wasteful number, since it uses less digits than its factorization.

9264639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088216.

The product of its digits is 69984, while the sum is 39.

The square root of 9264639 is about 3043.7869504944. The cubic root of 9264639 is about 210.0275020670.

It can be divided in two parts, 926 and 4639, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 9264639 in words is "nine million, two hundred sixty-four thousand, six hundred thirty-nine".