48491397 has 12 divisors (see below), whose sum is σ = 71752044. Its totient is φ = 31538880.

The previous prime is 48491371. The next prime is 48491407. The reversal of 48491397 is 79319484.

It can be written as a sum of positive squares in 2 ways, for example, as 21958596 + 26532801 = 4686^2 + 5151^2 .

It is not a de Polignac number, because 48491397 - 2⁷ = 48491269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48492397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65338 + ... + 66075.

It is an arithmetic number, because the mean of its divisors is an integer number (5979337).

Almost surely, 2^48491397 is an apocalyptic number.

It is an amenable number.

48491397 is a deficient number, since it is larger than the sum of its proper divisors (23260647).

48491397 is a wasteful number, since it uses less digits than its factorization.

48491397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131460 (or 131457 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 48491397 is about 6963.5764517954. The cubic root of 48491397 is about 364.6600876275.

The spelling of 48491397 in words is "forty-eight million, four hundred ninety-one thousand, three hundred ninety-seven".