3285700428 has 12 divisors (see below), whose sum is σ = 7666634360. Its totient is φ = 1095233472.

The previous prime is 3285700427. The next prime is 3285700507. The reversal of 3285700428 is 8240075823.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3285700427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136904173 + ... + 136904196.

Almost surely, 2^3285700428 is an apocalyptic number.

It is an amenable number.

3285700428 is an abundant number, since it is smaller than the sum of its proper divisors (4380933932).

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

3285700428 is a wasteful number, since it uses less digits than its factorization.

3285700428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273808376 (or 273808374 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 3285700428 is about 57321.0295441385. The cubic root of 3285700428 is about 1486.6520068221.

The spelling of 3285700428 in words is "three billion, two hundred eighty-five million, seven hundred thousand, four hundred twenty-eight".