43380797 has 4 divisors (see below), whose sum is σ = 43403100. Its totient is φ = 43358496.

The previous prime is 43380793. The next prime is 43380809. The reversal of 43380797 is 79708334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 33051001 = 3214^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 43380797 - 2² = 43380793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43380793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7922 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (10850775).

Almost surely, 2^43380797 is an apocalyptic number.

It is an amenable number.

43380797 is a deficient number, since it is larger than the sum of its proper divisors (22303).

43380797 is a wasteful number, since it uses less digits than its factorization.

43380797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22302.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 43380797 is about 6586.4100236775. The cubic root of 43380797 is about 351.3709414122.

The spelling of 43380797 in words is "forty-three million, three hundred eighty thousand, seven hundred ninety-seven".