402274 has 8 divisors (see below), whose sum is σ = 607068. Its totient is φ = 199920.

The previous prime is 402263. The next prime is 402277. The reversal of 402274 is 472204.

402274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 351649 + 50625 = 593^2 + 225^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 117 + ... + 904.

2⁴⁰²²⁷⁴ is an apocalyptic number.

402274 is a deficient number, since it is larger than the sum of its proper divisors (204794).

402274 is a wasteful number, since it uses less digits than its factorization.

402274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 402274 is about 634.2507390615. The cubic root of 402274 is about 73.8199910101.

Adding to 402274 its reverse (472204), we get a palindrome (874478).

It can be divided in two parts, 4022 and 74, that added together give a 12-th power (4096 = 2¹²).

The spelling of 402274 in words is "four hundred two thousand, two hundred seventy-four", and thus it is an iban number.