402374 has 16 divisors (see below), whose sum is σ = 707616. Its totient is φ = 168000.

The previous prime is 402371. The next prime is 402379. The reversal of 402374 is 473204.

It is a happy number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (44226).

2⁴⁰²³⁷⁴ is an apocalyptic number.

402374 is a deficient number, since it is larger than the sum of its proper divisors (305242).

402374 is a wasteful number, since it uses less digits than its factorization.

402374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 402374 is about 634.3295673386. The cubic root of 402374 is about 73.8261073947.

Adding to 402374 its reverse (473204), we get a palindrome (875578).

The spelling of 402374 in words is "four hundred two thousand, three hundred seventy-four", and thus it is an iban number.