4987442 has 4 divisors (see below), whose sum is σ = 7481166. Its totient is φ = 2493720.

The previous prime is 4987439. The next prime is 4987453. The reversal of 4987442 is 2447894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 829921 = 2039^2 + 911^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4987396 and 4987405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246859 + ... + 1246862.

Almost surely, 2^4987442 is an apocalyptic number.

4987442 is a deficient number, since it is larger than the sum of its proper divisors (2493724).

4987442 is a wasteful number, since it uses less digits than its factorization.

4987442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493723.

The product of its digits is 64512, while the sum is 38.

The square root of 4987442 is about 2233.2581579388. The cubic root of 4987442 is about 170.8543154610.

The spelling of 4987442 in words is "four million, nine hundred eighty-seven thousand, four hundred forty-two".