43986492 has 72 divisors (see below), whose sum is σ = 122037552. Its totient is φ = 13248000.

The previous prime is 43986491. The next prime is 43986499. The reversal of 43986492 is 29468934.

It is a super-2 number, since 2×43986492² = 3869622956932128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43986491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109492 + ... + 109892.

It is an arithmetic number, because the mean of its divisors is an integer number (1694966).

Almost surely, 2^43986492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43986492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61018776).

43986492 is an abundant number, since it is smaller than the sum of its proper divisors (78051060).

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

43986492 is a wasteful number, since it uses less digits than its factorization.

43986492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 694 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 43986492 is about 6632.2312987410. The cubic root of 43986492 is about 352.9987026037.

The spelling of 43986492 in words is "forty-three million, nine hundred eighty-six thousand, four hundred ninety-two".