49699658 has 16 divisors (see below), whose sum is σ = 78349920. Its totient is φ = 23614416.

The previous prime is 49699651. The next prime is 49699669. The reversal of 49699658 is 85699694.

It is not an unprimeable number, because it can be changed into a prime (49699651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4628 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (4896870).

Almost surely, 2^49699658 is an apocalyptic number.

49699658 is a deficient number, since it is larger than the sum of its proper divisors (28650262).

49699658 is a wasteful number, since it uses less digits than its factorization.

49699658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701.

The product of its digits is 4199040, while the sum is 56.

The square root of 49699658 is about 7049.7984368349. The cubic root of 49699658 is about 367.6640216821.

The spelling of 49699658 in words is "forty-nine million, six hundred ninety-nine thousand, six hundred fifty-eight".