402774 has 8 divisors (see below), whose sum is σ = 805560. Its totient is φ = 134256.

The previous prime is 402769. The next prime is 402797. The reversal of 402774 is 477204.

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

402774 is an admirable number.

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402774.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33559 + ... + 33570.

It is an arithmetic number, because the mean of its divisors is an integer number (100695).

2⁴⁰²⁷⁷⁴ is an apocalyptic number.

402774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402774 is a wasteful number, since it uses less digits than its factorization.

402774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67134.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 402774 is about 634.6447825359. The cubic root of 402774 is about 73.8505628043.

Adding to 402774 its reverse (477204), we get a palindrome (879978).

It can be divided in two parts, 402 and 774, that added together give a triangular number (1176 = T₄₈).

The spelling of 402774 in words is "four hundred two thousand, seven hundred seventy-four", and thus it is an iban number.