43897068 has 72 divisors (see below), whose sum is σ = 120884400. Its totient is φ = 13378176.

The previous prime is 43897057. The next prime is 43897079. The reversal of 43897068 is 86079834.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43897057) and next prime (43897079).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18730 + ... + 20942.

It is an arithmetic number, because the mean of its divisors is an integer number (1678950).

Almost surely, 2^43897068 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 43897068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60442200).

43897068 is an abundant number, since it is smaller than the sum of its proper divisors (76987332).

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

43897068 is a wasteful number, since it uses less digits than its factorization.

43897068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 43897068 is about 6625.4862463068. The cubic root of 43897068 is about 352.7593262996.

The spelling of 43897068 in words is "forty-three million, eight hundred ninety-seven thousand, sixty-eight".