4981642 has 4 divisors (see below), whose sum is σ = 7472466. Its totient is φ = 2490820.

The previous prime is 4981637. The next prime is 4981673. The reversal of 4981642 is 2461894.

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., 2996361 + 1985281 = 1731^2 + 1409^2 .

It is a d-powerful number, because it can be written as 4⁴ + 9⁷ + 8³ + 1 + 6⁴ + 4⁸ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4981598 and 4981607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245409 + ... + 1245412.

Almost surely, 2^4981642 is an apocalyptic number.

4981642 is a deficient number, since it is larger than the sum of its proper divisors (2490824).

4981642 is a wasteful number, since it uses less digits than its factorization.

4981642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490823.

The product of its digits is 13824, while the sum is 34.

The square root of 4981642 is about 2231.9592290183. The cubic root of 4981642 is about 170.7880597591.

The spelling of 4981642 in words is "four million, nine hundred eighty-one thousand, six hundred forty-two".