748487838 has 48 divisors (see below), whose sum is σ = 1747524240. Its totient is φ = 213099264.

The previous prime is 748487833. The next prime is 748487851. The reversal of 748487838 is 838784847.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748487833) 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, 81798 + ... + 90486.

It is an arithmetic number, because the mean of its divisors is an integer number (36406755).

Almost surely, 2^748487838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748487838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873762120).

748487838 is an abundant number, since it is smaller than the sum of its proper divisors (999036402).

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

748487838 is a wasteful number, since it uses less digits than its factorization.

748487838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001 (or 8994 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 57.

The square root of 748487838 is about 27358.5057706008. The cubic root of 748487838 is about 907.9492676410.

The spelling of 748487838 in words is "seven hundred forty-eight million, four hundred eighty-seven thousand, eight hundred thirty-eight".