32664469 has 4 divisors (see below), whose sum is σ = 33790860. Its totient is φ = 31538080.

The previous prime is 32664461. The next prime is 32664479. The reversal of 32664469 is 96446623.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14062500 + 18601969 = 3750^2 + 4313^2 .

It is not a de Polignac number, because 32664469 - 2³ = 32664461 is a prime.

It is a super-2 number, since 2×32664469² = 2133935070103922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664461) 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, 563152 + ... + 563209.

It is an arithmetic number, because the mean of its divisors is an integer number (8447715).

Almost surely, 2^32664469 is an apocalyptic number.

It is an amenable number.

32664469 is a deficient number, since it is larger than the sum of its proper divisors (1126391).

32664469 is a wasteful number, since it uses less digits than its factorization.

32664469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126390.

The product of its digits is 186624, while the sum is 40.

The square root of 32664469 is about 5715.2838074762. The cubic root of 32664469 is about 319.6626294670.

It can be divided in two parts, 32664 and 469, that added together give a palindrome (33133).

The spelling of 32664469 in words is "thirty-two million, six hundred sixty-four thousand, four hundred sixty-nine".