4620402 has 28 divisors (see below), whose sum is σ = 10394430. Its totient is φ = 1539648.

The previous prime is 4620397. The next prime is 4620403. The reversal of 4620402 is 2040264.

4620402 is a `hidden beast` number, since 4 + 620 + 40 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 1347921 = 1809^2 + 1161^2 .

It is a super-2 number, since 2×4620402² = 42696229283208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4620403) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 127 + ... + 3042.

Almost surely, 2^4620402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4620402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5197215).

4620402 is an abundant number, since it is smaller than the sum of its proper divisors (5774028).

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

4620402 is an equidigital number, since it uses as much as digits as its factorization.

4620402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4620402 is about 2149.5120376495. The cubic root of 4620402 is about 166.5558614607. Note that the first 3 decimals are identical.

Adding to 4620402 its reverse (2040264), we get a palindrome (6660666).

The spelling of 4620402 in words is "four million, six hundred twenty thousand, four hundred two".