412691 has 4 divisors (see below), whose sum is σ = 415800. Its totient is φ = 409584.

The previous prime is 412667. The next prime is 412717. The reversal of 412691 is 196214.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 412691 - 2⁶ = 412627 is a prime.

It is a super-2 number, since 2×412691² = 340627722962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412651) 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, 1346 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

2⁴¹²⁶⁹¹ is an apocalyptic number.

412691 is a deficient number, since it is larger than the sum of its proper divisors (3109).

412691 is a wasteful number, since it uses less digits than its factorization.

412691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108.

The product of its digits is 432, while the sum is 23.

The square root of 412691 is about 642.4103050232. The cubic root of 412691 is about 74.4517652429.

The spelling of 412691 in words is "four hundred twelve thousand, six hundred ninety-one".