4054661 has 4 divisors (see below), whose sum is σ = 4366572. Its totient is φ = 3742752.

The previous prime is 4054627. The next prime is 4054667. The reversal of 4054661 is 1664504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372100 + 3682561 = 610^2 + 1919^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4054661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4054661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054667) 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, 155936 + ... + 155961.

It is an arithmetic number, because the mean of its divisors is an integer number (1091643).

Almost surely, 2^4054661 is an apocalyptic number.

It is an amenable number.

4054661 is a deficient number, since it is larger than the sum of its proper divisors (311911).

4054661 is a wasteful number, since it uses less digits than its factorization.

4054661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311910.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4054661 is about 2013.6188815166. The cubic root of 4054661 is about 159.4599107195.

The spelling of 4054661 in words is "four million, fifty-four thousand, six hundred sixty-one".