48491994 has 16 divisors (see below), whose sum is σ = 97169760. Its totient is φ = 16133040.

The previous prime is 48491977. The next prime is 48491999. The reversal of 48491994 is 49919484.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (48491999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4224 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (6073110).

Almost surely, 2^48491994 is an apocalyptic number.

48491994 is an abundant number, since it is smaller than the sum of its proper divisors (48677766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48491994 is a wasteful number, since it uses less digits than its factorization.

48491994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485.

The product of its digits is 373248, while the sum is 48.

The square root of 48491994 is about 6963.6193175676. The cubic root of 48491994 is about 364.6615841210.

The spelling of 48491994 in words is "forty-eight million, four hundred ninety-one thousand, nine hundred ninety-four".