42043598 has 4 divisors (see below), whose sum is σ = 63065400. Its totient is φ = 21021798.

The previous prime is 42043597. The next prime is 42043621. The reversal of 42043598 is 89534024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510898 + ... + 10510901.

It is an arithmetic number, because the mean of its divisors is an integer number (15766350).

Almost surely, 2^42043598 is an apocalyptic number.

42043598 is a deficient number, since it is larger than the sum of its proper divisors (21021802).

42043598 is a wasteful number, since it uses less digits than its factorization.

42043598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21021801.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42043598 is about 6484.1034846770. The cubic root of 42043598 is about 347.7228989346.

The spelling of 42043598 in words is "forty-two million, forty-three thousand, five hundred ninety-eight".