544906 has 4 divisors (see below), whose sum is σ = 817362. Its totient is φ = 272452.

The previous prime is 544903. The next prime is 544919. The reversal of 544906 is 609445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609445 = 5 ⋅121889.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 128881 = 645^2 + 359^2 .

It is not an unprimeable number, because it can be changed into a prime (544903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136225 + ... + 136228.

2⁵⁴⁴⁹⁰⁶ is an apocalyptic number.

544906 is a deficient number, since it is larger than the sum of its proper divisors (272456).

544906 is a wasteful number, since it uses less digits than its factorization.

544906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272455.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 544906 is about 738.1774854329. The cubic root of 544906 is about 81.6783952797.

The spelling of 544906 in words is "five hundred forty-four thousand, nine hundred six".