33479864 has 16 divisors (see below), whose sum is σ = 68481720. Its totient is φ = 15218080.

The previous prime is 33479863. The next prime is 33479869. The reversal of 33479864 is 46897433.

It is a happy number.

It is a super-2 number, since 2×33479864² = 2241802586916992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33479861) 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, 190139 + ... + 190314.

Almost surely, 2^33479864 is an apocalyptic number.

It is an amenable number.

33479864 is an abundant number, since it is smaller than the sum of its proper divisors (35001856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33479864 is a wasteful number, since it uses less digits than its factorization.

33479864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380470 (or 380466 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 33479864 is about 5786.1787044646. The cubic root of 33479864 is about 322.3006848868.

Subtracting 33479864 from its reverse (46897433), we obtain a square (13417569 = 3663²).

It can be divided in two parts, 33479 and 864, that added together give a palindrome (34343).

The spelling of 33479864 in words is "thirty-three million, four hundred seventy-nine thousand, eight hundred sixty-four".