43990230 has 32 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 11711072.

The previous prime is 43990217. The next prime is 43990241. The reversal of 43990230 is 3209934.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29851 + ... + 31289.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^43990230 is an apocalyptic number.

43990230 is an abundant number, since it is smaller than the sum of its proper divisors (61763370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43990230 is a wasteful number, since it uses less digits than its factorization.

43990230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 43990230 is about 6632.5130983663. The cubic root of 43990230 is about 353.0087016717.

The spelling of 43990230 in words is "forty-three million, nine hundred ninety thousand, two hundred thirty".