42699398 has 8 divisors (see below), whose sum is σ = 73198992. Its totient is φ = 18299736.

The previous prime is 42699383. The next prime is 42699401. The reversal of 42699398 is 89399624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524965 + ... + 1524992.

It is an arithmetic number, because the mean of its divisors is an integer number (9149874).

Almost surely, 2^42699398 is an apocalyptic number.

42699398 is a deficient number, since it is larger than the sum of its proper divisors (30499594).

42699398 is a wasteful number, since it uses less digits than its factorization.

42699398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049966.

The product of its digits is 839808, while the sum is 50.

The square root of 42699398 is about 6534.4776378835. The cubic root of 42699398 is about 349.5215175969.

The spelling of 42699398 in words is "forty-two million, six hundred ninety-nine thousand, three hundred ninety-eight".