43487390 has 16 divisors (see below), whose sum is σ = 82397520. Its totient is φ = 16479360.

The previous prime is 43487383. The next prime is 43487393. The reversal of 43487390 is 9378434.

43487390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43487393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114251 + ... + 114630.

It is an arithmetic number, because the mean of its divisors is an integer number (5149845).

Almost surely, 2^43487390 is an apocalyptic number.

43487390 is a deficient number, since it is larger than the sum of its proper divisors (38910130).

43487390 is a wasteful number, since it uses less digits than its factorization.

43487390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228907.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 43487390 is about 6594.4969482137. The cubic root of 43487390 is about 351.6584960504.

The spelling of 43487390 in words is "forty-three million, four hundred eighty-seven thousand, three hundred ninety".