4861312 has 32 divisors (see below), whose sum is σ = 9785880. Its totient is φ = 2405376.

The previous prime is 4861301. The next prime is 4861313. The reversal of 4861312 is 2131684.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4861312² = 47264708722688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20748 + ... + 20980.

Almost surely, 2^4861312 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 4861312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4892940).

4861312 is an abundant number, since it is smaller than the sum of its proper divisors (4924568).

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

4861312 is a wasteful number, since it uses less digits than its factorization.

4861312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 398 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 4861312 is about 2204.8383160676. The cubic root of 4861312 is about 169.4017262873.

Adding to 4861312 its reverse (2131684), we get a palindrome (6992996).

The spelling of 4861312 in words is "four million, eight hundred sixty-one thousand, three hundred twelve".