4861988 has 6 divisors (see below), whose sum is σ = 8508486. Its totient is φ = 2430992.

The previous prime is 4861979. The next prime is 4861991. The reversal of 4861988 is 8891684.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4169764 + 692224 = 2042^2 + 832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607745 + ... + 607752.

It is an arithmetic number, because the mean of its divisors is an integer number (1418081).

Almost surely, 2^4861988 is an apocalyptic number.

It is an amenable number.

4861988 is a deficient number, since it is larger than the sum of its proper divisors (3646498).

4861988 is a wasteful number, since it uses less digits than its factorization.

4861988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215501 (or 1215499 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 4861988 is about 2204.9916099614. The cubic root of 4861988 is about 169.4095780949.

The spelling of 4861988 in words is "four million, eight hundred sixty-one thousand, nine hundred eighty-eight".