43970493 has 24 divisors (see below), whose sum is σ = 70406400. Its totient is φ = 24312960.

The previous prime is 43970489. The next prime is 43970497. The reversal of 43970493 is 39407934.

It is an interprime number because it is at equal distance from previous prime (43970489) and next prime (43970497).

It is not a de Polignac number, because 43970493 - 2² = 43970489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43970497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268 + ... + 9381.

It is an arithmetic number, because the mean of its divisors is an integer number (2933600).

Almost surely, 2^43970493 is an apocalyptic number.

It is an amenable number.

43970493 is a deficient number, since it is larger than the sum of its proper divisors (26435907).

43970493 is a wasteful number, since it uses less digits than its factorization.

43970493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697 (or 9690 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 43970493 is about 6631.0250338843. The cubic root of 43970493 is about 352.9558992273.

The spelling of 43970493 in words is "forty-three million, nine hundred seventy thousand, four hundred ninety-three".