44287477 has 4 divisors (see below), whose sum is σ = 47694220. Its totient is φ = 40880736.

The previous prime is 44287471. The next prime is 44287487. The reversal of 44287477 is 77478244.

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 29495761 + 14791716 = 5431^2 + 3846^2 .

It is not a de Polignac number, because 44287477 - 2⁷ = 44287349 is a prime.

It is a super-2 number, since 2×44287477² = 3922761238051058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44287471) 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, 1703352 + ... + 1703377.

It is an arithmetic number, because the mean of its divisors is an integer number (11923555).

Almost surely, 2^44287477 is an apocalyptic number.

It is an amenable number.

44287477 is a deficient number, since it is larger than the sum of its proper divisors (3406743).

44287477 is a wasteful number, since it uses less digits than its factorization.

44287477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406742.

The product of its digits is 351232, while the sum is 43.

The square root of 44287477 is about 6654.8836954525. The cubic root of 44287477 is about 353.8020241716.

The spelling of 44287477 in words is "forty-four million, two hundred eighty-seven thousand, four hundred seventy-seven".