4520402 has 8 divisors (see below), whose sum is σ = 7179516. Its totient is φ = 2127232.

The previous prime is 4520393. The next prime is 4520407. The reversal of 4520402 is 2040254.

It can be written as a sum of positive squares in 2 ways, for example, as 4289041 + 231361 = 2071^2 + 481^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (4520407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66443 + ... + 66510.

Almost surely, 2^4520402 is an apocalyptic number.

4520402 is a deficient number, since it is larger than the sum of its proper divisors (2659114).

4520402 is a wasteful number, since it uses less digits than its factorization.

4520402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132972.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4520402 is about 2126.1237028922. The cubic root of 4520402 is about 165.3454897337.

Adding to 4520402 its reverse (2040254), we get a palindrome (6560656).

The spelling of 4520402 in words is "four million, five hundred twenty thousand, four hundred two".