43380038 has 16 divisors (see below), whose sum is σ = 70722960. Its totient is φ = 19836576.

The previous prime is 43380037. The next prime is 43380041. The reversal of 43380038 is 83008334.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43380037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (4420185).

Almost surely, 2^43380038 is an apocalyptic number.

43380038 is a deficient number, since it is larger than the sum of its proper divisors (27342922).

43380038 is a wasteful number, since it uses less digits than its factorization.

43380038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15431.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 43380038 is about 6586.3524047837. The cubic root of 43380038 is about 351.3688921790.

The spelling of 43380038 in words is "forty-three million, three hundred eighty thousand, thirty-eight".