4549442 has 16 divisors (see below), whose sum is σ = 7068600. Its totient is φ = 2194560.

The previous prime is 4549439. The next prime is 4549453. The reversal of 4549442 is 2449454.

It can be written as a sum of positive squares in 4 ways, for example, as 3845521 + 703921 = 1961^2 + 839^2 .

It is a super-2 number, since 2×4549442² = 41394845022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4549399 and 4549408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8684 + ... + 9192.

Almost surely, 2^4549442 is an apocalyptic number.

4549442 is a deficient number, since it is larger than the sum of its proper divisors (2519158).

4549442 is a wasteful number, since it uses less digits than its factorization.

4549442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its digits is 23040, while the sum is 32.

The square root of 4549442 is about 2132.9420995423. The cubic root of 4549442 is about 165.6988054590.

The spelling of 4549442 in words is "four million, five hundred forty-nine thousand, four hundred forty-two".