6444546 has 16 divisors (see below), whose sum is σ = 13163904. Its totient is φ = 2102384.

The previous prime is 6444541. The next prime is 6444551. The reversal of 6444546 is 6454446.

6444546 = T₅₀₀ + T₅₀₁ + ... + T₅₄₆.

It is an interprime number because it is at equal distance from previous prime (6444541) and next prime (6444551).

It is a super-2 number, since 2×6444546² = 83064346292232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6444541) 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, 11145 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (822744).

Almost surely, 2^6444546 is an apocalyptic number.

6444546 is an abundant number, since it is smaller than the sum of its proper divisors (6719358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6444546 is a wasteful number, since it uses less digits than its factorization.

6444546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22905.

The product of its digits is 46080, while the sum is 33.

The square root of 6444546 is about 2538.6110375558. The cubic root of 6444546 is about 186.0933165697.

The spelling of 6444546 in words is "six million, four hundred forty-four thousand, five hundred forty-six".