4406557 has 8 divisors (see below), whose sum is σ = 4660992. Its totient is φ = 4159200.

The previous prime is 4406551. The next prime is 4406573. The reversal of 4406557 is 7556044.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4406557 - 2⁷ = 4406429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

4406557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 3004.

It is an arithmetic number, because the mean of its divisors is an integer number (582624).

Almost surely, 2^4406557 is an apocalyptic number.

It is an amenable number.

4406557 is a deficient number, since it is larger than the sum of its proper divisors (254435).

4406557 is a wasteful number, since it uses less digits than its factorization.

4406557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4406557 is about 2099.1800780305. The cubic root of 4406557 is about 163.9456120464.

The spelling of 4406557 in words is "four million, four hundred six thousand, five hundred fifty-seven".