43698340 has 48 divisors (see below), whose sum is σ = 105259392. Its totient is φ = 14927616.

The previous prime is 43698329. The next prime is 43698349. The reversal of 43698340 is 4389634.

It is a self number, because there is not a number n which added to its sum of digits gives 43698340.

It is not an unprimeable number, because it can be changed into a prime (43698349) by changing a digit.

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, 63639 + ... + 64321.

It is an arithmetic number, because the mean of its divisors is an integer number (2192904).

Almost surely, 2^43698340 is an apocalyptic number.

It is an amenable number.

43698340 is an abundant number, since it is smaller than the sum of its proper divisors (61561052).

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

43698340 is a wasteful number, since it uses less digits than its factorization.

43698340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 43698340 is about 6610.4719952512. The cubic root of 43698340 is about 352.2261911396.

The spelling of 43698340 in words is "forty-three million, six hundred ninety-eight thousand, three hundred forty".