4920161 has 4 divisors (see below), whose sum is σ = 4930752. Its totient is φ = 4909572.

The previous prime is 4920109. The next prime is 4920163. The reversal of 4920161 is 1610294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4920161 - 2¹⁴ = 4903777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4920163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (1232688).

Almost surely, 2^4920161 is an apocalyptic number.

It is an amenable number.

4920161 is a deficient number, since it is larger than the sum of its proper divisors (10591).

4920161 is a wasteful number, since it uses less digits than its factorization.

4920161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 4920161 is about 2218.1435931878. The cubic root of 4920161 is about 170.0825550590.

The spelling of 4920161 in words is "four million, nine hundred twenty thousand, one hundred sixty-one".