3212506404 has 18 divisors (see below), whose sum is σ = 8120502390. Its totient is φ = 1070835456.

The previous prime is 3212506403. The next prime is 3212506411. The reversal of 3212506404 is 4046052123.

3212506404 is a `hidden beast` number, since 3 + 2 + 1 + 250 + 6 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2782773504 + 429732900 = 52752^2 + 20730^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3212506404² = 20640394791482022432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3212506403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44618109 + ... + 44618180.

Almost surely, 2^3212506404 is an apocalyptic number.

It is an amenable number.

3212506404 is an abundant number, since it is smaller than the sum of its proper divisors (4907995986).

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

3212506404 is a wasteful number, since it uses less digits than its factorization.

3212506404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89236299 (or 89236294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3212506404 is about 56678.9767374112. The cubic root of 3212506404 is about 1475.5298533458.

Adding to 3212506404 its reverse (4046052123), we get a palindrome (7258558527).

The spelling of 3212506404 in words is "three billion, two hundred twelve million, five hundred six thousand, four hundred four".