4451402 has 4 divisors (see below), whose sum is σ = 6677106. Its totient is φ = 2225700.

The previous prime is 4451401. The next prime is 4451407. The reversal of 4451402 is 2041544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3243601 + 1207801 = 1801^2 + 1099^2 .

It is not an unprimeable number, because it can be changed into a prime (4451401) 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 as a sum of consecutive naturals, namely, 1112849 + ... + 1112852.

Almost surely, 2^4451402 is an apocalyptic number.

4451402 is a deficient number, since it is larger than the sum of its proper divisors (2225704).

4451402 is a wasteful number, since it uses less digits than its factorization.

4451402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225703.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4451402 is about 2109.8345906729. The cubic root of 4451402 is about 164.4998875964.

Adding to 4451402 its reverse (2041544), we get a palindrome (6492946).

The spelling of 4451402 in words is "four million, four hundred fifty-one thousand, four hundred two".