641214324 has 18 divisors (see below), whose sum is σ = 1620847410. Its totient is φ = 213738096.

The previous prime is 641214283. The next prime is 641214397. The reversal of 641214324 is 423412146.

It is a happy number.

641214324 is a `hidden beast` number, since 641 + 2 + 14 + 3 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 511664400 + 129549924 = 22620^2 + 11382^2 .

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

It is a super-2 number, since 2×641214324² = 822311618605553952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8905719 + ... + 8905790.

Almost surely, 2^641214324 is an apocalyptic number.

It is an amenable number.

641214324 is an abundant number, since it is smaller than the sum of its proper divisors (979633086).

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

641214324 is a wasteful number, since it uses less digits than its factorization.

641214324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811519 (or 17811514 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 641214324 is about 25322.2100931179. The cubic root of 641214324 is about 862.3185695255.

It can be divided in two parts, 6412 and 14324, that added together give a 4-th power (20736 = 12⁴).

The spelling of 641214324 in words is "six hundred forty-one million, two hundred fourteen thousand, three hundred twenty-four".