415369 has 4 divisors (see below), whose sum is σ = 428800. Its totient is φ = 401940.

The previous prime is 415343. The next prime is 415379. The reversal of 415369 is 963514.

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 415369 - 2⁹ = 414857 is a prime.

It is a super-4 number, since 4×415369⁴ (a number of 24 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

415369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (415319) 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, 6669 + ... + 6730.

It is an arithmetic number, because the mean of its divisors is an integer number (107200).

2⁴¹⁵³⁶⁹ is an apocalyptic number.

It is an amenable number.

415369 is a deficient number, since it is larger than the sum of its proper divisors (13431).

415369 is a wasteful number, since it uses less digits than its factorization.

415369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430.

The product of its digits is 3240, while the sum is 28.

The square root of 415369 is about 644.4912722450. The cubic root of 415369 is about 74.6124602139.

Adding to 415369 its product of digits (3240), we get a square (418609 = 647²).

It can be divided in two parts, 415 and 369, that added together give a square (784 = 28²).

The spelling of 415369 in words is "four hundred fifteen thousand, three hundred sixty-nine".