43406364 has 48 divisors (see below), whose sum is σ = 104146560. Its totient is φ = 14064960.

The previous prime is 43406357. The next prime is 43406371. The reversal of 43406364 is 46360434.

It is an interprime number because it is at equal distance from previous prime (43406357) and next prime (43406371).

It is a super-2 number, since 2×43406364² = 3768224871400992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88159 + ... + 88649.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^43406364 is an apocalyptic number.

It is an amenable number.

43406364 is an abundant number, since it is smaller than the sum of its proper divisors (60740196).

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

43406364 is a wasteful number, since it uses less digits than its factorization.

43406364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 43406364 is about 6588.3506281922. The cubic root of 43406364 is about 351.4399561008.

Adding to 43406364 its reverse (46360434), we get a palindrome (89766798).

The spelling of 43406364 in words is "forty-three million, four hundred six thousand, three hundred sixty-four".