2402 has 4 divisors (see below), whose sum is σ = 3606. Its totient is φ = 1200.
The previous prime is 2399. The next prime is 2411. The reversal of 2402 is 2042.
2402 is nontrivially palindromic in base 7.
2402 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 74+1.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042 = 2 ⋅1021.
It can be written as a sum of positive squares in only one way, i.e., 2401 + 1 = 49^2 + 1^2 .
2402 is strictly pandigital in base 5.
It is a plaindrome in base 13.
It is a nialpdrome in base 15 and base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 2402.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599 + ... + 602.
2402 is a deficient number, since it is larger than the sum of its proper divisors (1204).
2402 is a wasteful number, since it uses less digits than its factorization.
2402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1203.
The product of its (nonzero) digits is 16, while the sum is 8.
The square root of 2402 is about 49.0102030194. The cubic root of 2402 is about 13.3923770410.
Adding to 2402 its reverse (2042), we get a palindrome (4444).
It can be divided in two parts, 240 and 2, that added together give a palindrome (242).
The spelling of 2402 in words is "two thousand, four hundred two", and thus it is an iban number.
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