6442354 has 16 divisors (see below), whose sum is σ = 10351800. Its totient is φ = 2996224.

The previous prime is 6442351. The next prime is 6442357. The reversal of 6442354 is 4532446.

It is an interprime number because it is at equal distance from previous prime (6442351) and next prime (6442357).

It can be written as a sum of positive squares in 4 ways, for example, as 4739329 + 1703025 = 2177^2 + 1305^2 .

It is a super-2 number, since 2×6442354² = 83007850122632, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6 + 4 + 4⁹ + 2¹⁵ + 3 + 5⁹ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (6442351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1962 + ... + 4090.

Almost surely, 2^6442354 is an apocalyptic number.

6442354 is a deficient number, since it is larger than the sum of its proper divisors (3909446).

6442354 is a wasteful number, since it uses less digits than its factorization.

6442354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its digits is 11520, while the sum is 28.

The square root of 6442354 is about 2538.1792686885. The cubic root of 6442354 is about 186.0722153777.

The spelling of 6442354 in words is "six million, four hundred forty-two thousand, three hundred fifty-four".