43098442 has 4 divisors (see below), whose sum is σ = 64647666. Its totient is φ = 21549220.

The previous prime is 43098439. The next prime is 43098449. The reversal of 43098442 is 24489034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 19971961 = 4809^2 + 4469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43098398 and 43098407.

It is not an unprimeable number, because it can be changed into a prime (43098449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10774609 + ... + 10774612.

Almost surely, 2^43098442 is an apocalyptic number.

43098442 is a deficient number, since it is larger than the sum of its proper divisors (21549224).

43098442 is a wasteful number, since it uses less digits than its factorization.

43098442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21549223.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 43098442 is about 6564.9403653042. The cubic root of 43098442 is about 350.6069522878.

The spelling of 43098442 in words is "forty-three million, ninety-eight thousand, four hundred forty-two".