4621901 has 4 divisors (see below), whose sum is σ = 4626204. Its totient is φ = 4617600.

The previous prime is 4621891. The next prime is 4621913. The reversal of 4621901 is 1091264.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 2172676 = 1565^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621901 - 2¹⁰ = 4620877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621931) 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, 971 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (1156551).

Almost surely, 2^4621901 is an apocalyptic number.

It is an amenable number.

4621901 is a deficient number, since it is larger than the sum of its proper divisors (4303).

4621901 is a wasteful number, since it uses less digits than its factorization.

4621901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302.

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

The square root of 4621901 is about 2149.8606931613. The cubic root of 4621901 is about 166.5738714550.

The spelling of 4621901 in words is "four million, six hundred twenty-one thousand, nine hundred one".