402273 has 16 divisors (see below), whose sum is σ = 610560. Its totient is φ = 261648.

The previous prime is 402263. The next prime is 402277. The reversal of 402273 is 372204.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-402273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (38160).

2⁴⁰²²⁷³ is an apocalyptic number.

It is an amenable number.

402273 is a deficient number, since it is larger than the sum of its proper divisors (208287).

402273 is a wasteful number, since it uses less digits than its factorization.

402273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 402273 is about 634.2499507292. The cubic root of 402273 is about 73.8199298412.

Adding to 402273 its reverse (372204), we get a palindrome (774477).

It can be divided in two parts, 4022 and 73, that added together give a triangular number (4095 = T₉₀).

The spelling of 402273 in words is "four hundred two thousand, two hundred seventy-three", and thus it is an iban number.