3664235428 has 24 divisors (see below), whose sum is σ = 7381971072. Its totient is φ = 1558922304.

The previous prime is 3664235381. The next prime is 3664235429. The reversal of 3664235428 is 8245324663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3664235429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473776 + ... + 481447.

It is an arithmetic number, because the mean of its divisors is an integer number (307582128).

Almost surely, 2^3664235428 is an apocalyptic number.

It is an amenable number.

3664235428 is an abundant number, since it is smaller than the sum of its proper divisors (3717735644).

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

3664235428 is a wasteful number, since it uses less digits than its factorization.

3664235428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955371 (or 955369 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 3664235428 is about 60532.9284604669. The cubic root of 3664235428 is about 1541.6807741249.

It can be divided in two parts, 3664235 and 428, that added together give a palindrome (3664663).

The spelling of 3664235428 in words is "three billion, six hundred sixty-four million, two hundred thirty-five thousand, four hundred twenty-eight".