3666432 has 160 divisors (see below), whose sum is σ = 12570624. Its totient is φ = 921600.

The previous prime is 3666427. The next prime is 3666461. The reversal of 3666432 is 2346663.

It is a super-2 number, since 2×3666432² = 26885447221248, which contains 22 as substring.

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

Its product of digits (15552) is a multiple of the sum of its prime divisors (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3666432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118257 + ... + 118287.

Almost surely, 2^3666432 is an apocalyptic number.

3666432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3666432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6285312).

3666432 is an abundant number, since it is smaller than the sum of its proper divisors (8904192).

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

3666432 is a wasteful number, since it uses less digits than its factorization.

3666432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 54 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 3666432 is about 1914.7929391973. The cubic root of 3666432 is about 154.1988772563.

It can be divided in two parts, 3 and 666432, that added together give a triangular number (666435 = T₁₁₅₄).

The spelling of 3666432 in words is "three million, six hundred sixty-six thousand, four hundred thirty-two".