305402 has 8 divisors (see below), whose sum is σ = 460512. Its totient is φ = 151900.

The previous prime is 305401. The next prime is 305407. The reversal of 305402 is 204503.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305401) 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, 377 + ... + 867.

It is an arithmetic number, because the mean of its divisors is an integer number (57564).

2³⁰⁵⁴⁰² is an apocalyptic number.

305402 is a deficient number, since it is larger than the sum of its proper divisors (155110).

305402 is a wasteful number, since it uses less digits than its factorization.

305402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 305402 is about 552.6318847117. The cubic root of 305402 is about 67.3427156376.

Adding to 305402 its reverse (204503), we get a palindrome (509905).

It can be divided in two parts, 305 and 402, that added together give a palindrome (707).

The spelling of 305402 in words is "three hundred five thousand, four hundred two".