43899485 has 16 divisors (see below), whose sum is σ = 60341376. Its totient is φ = 30034368.

The previous prime is 43899467. The next prime is 43899487. The reversal of 43899485 is 58499834.

It is a happy number.

It is not a de Polignac number, because 43899485 - 2⁶ = 43899421 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 (43899487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17999 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (3771336).

Almost surely, 2^43899485 is an apocalyptic number.

It is an amenable number.

43899485 is a deficient number, since it is larger than the sum of its proper divisors (16441891).

43899485 is a wasteful number, since it uses less digits than its factorization.

43899485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its digits is 1244160, while the sum is 50.

The square root of 43899485 is about 6625.6686455029. The cubic root of 43899485 is about 352.7658005638.

The spelling of 43899485 in words is "forty-three million, eight hundred ninety-nine thousand, four hundred eighty-five".