4054909 has 4 divisors (see below), whose sum is σ = 4092220. Its totient is φ = 4017600.

The previous prime is 4054889. The next prime is 4054913. The reversal of 4054909 is 9094504.

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 1322500 + 2732409 = 1150^2 + 1653^2 .

It is a cyclic number.

It is not a de Polignac number, because 4054909 - 2¹⁷ = 3923837 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 (4054949) 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, 18492 + ... + 18709.

It is an arithmetic number, because the mean of its divisors is an integer number (1023055).

Almost surely, 2^4054909 is an apocalyptic number.

It is an amenable number.

4054909 is a deficient number, since it is larger than the sum of its proper divisors (37311).

4054909 is a wasteful number, since it uses less digits than its factorization.

4054909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37310.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4054909 is about 2013.6804612450. The cubic root of 4054909 is about 159.4631617312.

The spelling of 4054909 in words is "four million, fifty-four thousand, nine hundred nine".