402772 has 6 divisors (see below), whose sum is σ = 704858. Its totient is φ = 201384.

The previous prime is 402769. The next prime is 402797. The reversal of 402772 is 277204.

It can be written as a sum of positive squares in only one way, i.e., 309136 + 93636 = 556^2 + 306^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50343 + ... + 50350.

2⁴⁰²⁷⁷² is an apocalyptic number.

It is an amenable number.

402772 is a deficient number, since it is larger than the sum of its proper divisors (302086).

402772 is a wasteful number, since it uses less digits than its factorization.

402772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100697 (or 100695 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 402772 is about 634.6432068493. The cubic root of 402772 is about 73.8504405676.

Adding to 402772 its reverse (277204), we get a palindrome (679976).

The spelling of 402772 in words is "four hundred two thousand, seven hundred seventy-two", and thus it is an iban number.