49238868 has 144 divisors (see below), whose sum is σ = 147498624. Its totient is φ = 12472320.

The previous prime is 49238867. The next prime is 49238869. The reversal of 49238868 is 86883294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49238867) and next prime (49238869).

It is a super-2 number, since 2×49238868² = 4848932243842848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49238867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1200928 + ... + 1200968.

It is an arithmetic number, because the mean of its divisors is an integer number (1024296).

Almost surely, 2^49238868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49238868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73749312).

49238868 is an abundant number, since it is smaller than the sum of its proper divisors (98259756).

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

49238868 is a wasteful number, since it uses less digits than its factorization.

49238868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 99 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 49238868 is about 7017.0412568261. The cubic root of 49238868 is about 366.5242271344.

The spelling of 49238868 in words is "forty-nine million, two hundred thirty-eight thousand, eight hundred sixty-eight".