48303981 has 24 divisors (see below), whose sum is σ = 78178464. Its totient is φ = 28481760.

The previous prime is 48303961. The next prime is 48303989. The reversal of 48303981 is 18930384.

It is not a de Polignac number, because 48303981 - 2⁶ = 48303917 is a prime.

It is a super-2 number, since 2×48303981² = 4666549160896722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48303989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2931 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (3257436).

Almost surely, 2^48303981 is an apocalyptic number.

It is an amenable number.

48303981 is a deficient number, since it is larger than the sum of its proper divisors (29874483).

48303981 is a wasteful number, since it uses less digits than its factorization.

48303981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241 (or 13238 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 48303981 is about 6950.1065459459. The cubic root of 48303981 is about 364.1896854808.

It can be divided in two parts, 48303 and 981, that added together give a square (49284 = 222²).

The spelling of 48303981 in words is "forty-eight million, three hundred three thousand, nine hundred eighty-one".