49430918 has 8 divisors (see below), whose sum is σ = 74176248. Its totient is φ = 24705504.

The previous prime is 49430893. The next prime is 49430921. The reversal of 49430918 is 81903494.

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

It is a Curzon number.

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, 6830 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (9272031).

Almost surely, 2^49430918 is an apocalyptic number.

49430918 is a deficient number, since it is larger than the sum of its proper divisors (24745330).

49430918 is a wasteful number, since it uses less digits than its factorization.

49430918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9958.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 49430918 is about 7030.7124816764. The cubic root of 49430918 is about 367.0001361160. Note that the first 3 decimals are identical.

The spelling of 49430918 in words is "forty-nine million, four hundred thirty thousand, nine hundred eighteen".