43219998 has 12 divisors (see below), whose sum is σ = 93643368. Its totient is φ = 14406660.

The previous prime is 43219997. The next prime is 43220011. The reversal of 43219998 is 89991234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43219991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1200538 + ... + 1200573.

It is an arithmetic number, because the mean of its divisors is an integer number (7803614).

Almost surely, 2^43219998 is an apocalyptic number.

43219998 is an abundant number, since it is smaller than the sum of its proper divisors (50423370).

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

43219998 is a wasteful number, since it uses less digits than its factorization.

43219998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401119 (or 2401116 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 43219998 is about 6574.1918134475. The cubic root of 43219998 is about 350.9362632949.

The spelling of 43219998 in words is "forty-three million, two hundred nineteen thousand, nine hundred ninety-eight".