1947846852 has 120 divisors (see below), whose sum is σ = 5955128256. Its totient is φ = 543557952.

The previous prime is 1947846851. The next prime is 1947846853. The reversal of 1947846852 is 2586487491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1947846851) and next prime (1947846853).

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

It is not an unprimeable number, because it can be changed into a prime (1947846851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87538 + ... + 107510.

Almost surely, 2^1947846852 is an apocalyptic number.

1947846852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1947846852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977564128).

1947846852 is an abundant number, since it is smaller than the sum of its proper divisors (4007281404).

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

1947846852 is a wasteful number, since it uses less digits than its factorization.

1947846852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20039 (or 20028 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 1947846852 is about 44134.4179977487. The cubic root of 1947846852 is about 1248.8729792581.

The spelling of 1947846852 in words is "one billion, nine hundred forty-seven million, eight hundred forty-six thousand, eight hundred fifty-two".