4961138 has 16 divisors (see below), whose sum is σ = 9159360. Its totient is φ = 1962576.

The previous prime is 4961129. The next prime is 4961141. The reversal of 4961138 is 8311694.

It is a happy number.

It is a super-2 number, since 2×4961138² = 49225780510088, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13448 + ... + 13811.

It is an arithmetic number, because the mean of its divisors is an integer number (572460).

Almost surely, 2^4961138 is an apocalyptic number.

4961138 is a deficient number, since it is larger than the sum of its proper divisors (4198222).

4961138 is a wasteful number, since it uses less digits than its factorization.

4961138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27281.

The product of its digits is 5184, while the sum is 32.

The square root of 4961138 is about 2227.3612190213. The cubic root of 4961138 is about 170.5534213398.

The spelling of 4961138 in words is "four million, nine hundred sixty-one thousand, one hundred thirty-eight".