8401369 has 4 divisors (see below), whose sum is σ = 8421840. Its totient is φ = 8380900.

The previous prime is 8401361. The next prime is 8401381. The reversal of 8401369 is 9631048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8401369 - 2³ = 8401361 is a prime.

It is a super-2 number, since 2×8401369² = 141166002148322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8401369.

It is not an unprimeable number, because it can be changed into a prime (8401361) 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, 9607 + ... + 10444.

It is an arithmetic number, because the mean of its divisors is an integer number (2105460).

Almost surely, 2^8401369 is an apocalyptic number.

It is an amenable number.

8401369 is a deficient number, since it is larger than the sum of its proper divisors (20471).

8401369 is a wasteful number, since it uses less digits than its factorization.

8401369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8401369 is about 2898.5115145536. The cubic root of 8401369 is about 203.2903139902.

It can be divided in two parts, 840 and 1369, that added together give a square (2209 = 47²).

The spelling of 8401369 in words is "eight million, four hundred one thousand, three hundred sixty-nine".