42993298 has 4 divisors (see below), whose sum is σ = 64489950. Its totient is φ = 21496648.

The previous prime is 42993287. The next prime is 42993299. The reversal of 42993298 is 89239924.

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., 40870449 + 2122849 = 6393^2 + 1457^2 .

It is not an unprimeable number, because it can be changed into a prime (42993299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10748323 + ... + 10748326.

Almost surely, 2^42993298 is an apocalyptic number.

42993298 is a deficient number, since it is larger than the sum of its proper divisors (21496652).

42993298 is a wasteful number, since it uses less digits than its factorization.

42993298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21496651.

The product of its digits is 279936, while the sum is 46.

The square root of 42993298 is about 6556.9274816792. The cubic root of 42993298 is about 350.3216037179.

The spelling of 42993298 in words is "forty-two million, nine hundred ninety-three thousand, two hundred ninety-eight".