4561090 has 8 divisors (see below), whose sum is σ = 8209980. Its totient is φ = 1824432.

The previous prime is 4561079. The next prime is 4561093. The reversal of 4561090 is 901654.

It can be written as a sum of positive squares in 2 ways, for example, as 4190209 + 370881 = 2047^2 + 609^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4561093) 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, 228045 + ... + 228064.

Almost surely, 2^4561090 is an apocalyptic number.

4561090 is a deficient number, since it is larger than the sum of its proper divisors (3648890).

4561090 is a wasteful number, since it uses less digits than its factorization.

4561090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456116.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 4561090 is about 2135.6708547901. The cubic root of 4561090 is about 165.8400985992.

The spelling of 4561090 in words is "four million, five hundred sixty-one thousand, ninety".