49431698 has 8 divisors (see below), whose sum is σ = 74198460. Its totient is φ = 24698880.

The previous prime is 49431677. The next prime is 49431719. The reversal of 49431698 is 89613494.

It is an interprime number because it is at equal distance from previous prime (49431677) and next prime (49431719).

It can be written as a sum of positive squares in 2 ways, for example, as 39778249 + 9653449 = 6307^2 + 3107^2 .

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

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, 4463 + ... + 10898.

Almost surely, 2^49431698 is an apocalyptic number.

49431698 is a deficient number, since it is larger than the sum of its proper divisors (24766762).

49431698 is a wasteful number, since it uses less digits than its factorization.

49431698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16972.

The product of its digits is 186624, while the sum is 44.

The square root of 49431698 is about 7030.7679523648. The cubic root of 49431698 is about 367.0020664773.

Multiplying 49431698 by its sum of digits (44), we get a palindrome (2174994712).

The spelling of 49431698 in words is "forty-nine million, four hundred thirty-one thousand, six hundred ninety-eight".