43990316 has 6 divisors (see below), whose sum is σ = 76983060. Its totient is φ = 21995156.

The previous prime is 43990307. The next prime is 43990321. The reversal of 43990316 is 61309934.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498786 + ... + 5498793.

It is an arithmetic number, because the mean of its divisors is an integer number (12830510).

Almost surely, 2^43990316 is an apocalyptic number.

It is an amenable number.

43990316 is a deficient number, since it is larger than the sum of its proper divisors (32992744).

43990316 is a wasteful number, since it uses less digits than its factorization.

43990316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997583 (or 10997581 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 43990316 is about 6632.5195815768. The cubic root of 43990316 is about 353.0089317131.

The spelling of 43990316 in words is "forty-three million, nine hundred ninety thousand, three hundred sixteen".