415867 has 4 divisors (see below), whose sum is σ = 418176. Its totient is φ = 413560.

The previous prime is 415861. The next prime is 415873. The reversal of 415867 is 768514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768514 = 2 ⋅384257.

It is an interprime number because it is at equal distance from previous prime (415861) and next prime (415873).

It is a cyclic number.

It is not a de Polignac number, because 415867 - 2¹⁵ = 383099 is a prime.

It is a Duffinian number.

415867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (415861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (104544).

2⁴¹⁵⁸⁶⁷ is an apocalyptic number.

415867 is a deficient number, since it is larger than the sum of its proper divisors (2309).

415867 is a wasteful number, since it uses less digits than its factorization.

415867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its digits is 6720, while the sum is 31.

The square root of 415867 is about 644.8775077486. The cubic root of 415867 is about 74.6422667758.

It can be divided in two parts, 4158 and 67, that added together give a square (4225 = 65²).

The spelling of 415867 in words is "four hundred fifteen thousand, eight hundred sixty-seven".