1402369 has 2 divisors, whose sum is σ = 1402370. Its totient is φ = 1402368.

The previous prime is 1402367. The next prime is 1402391. The reversal of 1402369 is 9632041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 378225 = 1012^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402369 - 2¹ = 1402367 is a prime.

It is a super-2 number, since 2×1402369² = 3933277624322, which contains 22 as substring.

Together with 1402367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1402361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701184 + 701185.

It is an arithmetic number, because the mean of its divisors is an integer number (701185).

2^1402369 is an apocalyptic number.

It is an amenable number.

1402369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402369 is an equidigital number, since it uses as much as digits as its factorization.

1402369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1402369 is about 1184.2166186978. The cubic root of 1402369 is about 111.9319580339.

It can be divided in two parts, 1402 and 369, that added together give a palindrome (1771).

The spelling of 1402369 in words is "one million, four hundred two thousand, three hundred sixty-nine".