486778248 has 160 divisors (see below), whose sum is σ = 1520069760. Its totient is φ = 144270720.

The previous prime is 486778223. The next prime is 486778273. The reversal of 486778248 is 842877684.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (486778223) and next prime (486778273).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 486778194 and 486778203.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 334290 + ... + 335742.

It is an arithmetic number, because the mean of its divisors is an integer number (9500436).

Almost surely, 2^486778248 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 486778248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760034880).

486778248 is an abundant number, since it is smaller than the sum of its proper divisors (1033291512).

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

486778248 is a wasteful number, since it uses less digits than its factorization.

486778248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1516 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The square root of 486778248 is about 22063.0516474943. The cubic root of 486778248 is about 786.6418625075.

The spelling of 486778248 in words is "four hundred eighty-six million, seven hundred seventy-eight thousand, two hundred forty-eight".