4899961 has 8 divisors (see below), whose sum is σ = 5660064. Its totient is φ = 4192320.

The previous prime is 4899941. The next prime is 4899971. The reversal of 4899961 is 1699984.

4899961 = 363² + 364² + ... + 396².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4899961 - 2¹⁹ = 4375673 is a prime.

It is a Duffinian number.

4899961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4899931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12915 + ... + 13288.

It is an arithmetic number, because the mean of its divisors is an integer number (707508).

Almost surely, 2^4899961 is an apocalyptic number.

It is an amenable number.

4899961 is a deficient number, since it is larger than the sum of its proper divisors (760103).

4899961 is a wasteful number, since it uses less digits than its factorization.

4899961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26231.

The product of its digits is 139968, while the sum is 46.

The square root of 4899961 is about 2213.5855528983. The cubic root of 4899961 is about 169.8494746007.

The spelling of 4899961 in words is "four million, eight hundred ninety-nine thousand, nine hundred sixty-one".