406694 has 8 divisors (see below), whose sum is σ = 624360. Its totient is φ = 198576.

The previous prime is 406673. The next prime is 406697. The reversal of 406694 is 496604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406697) 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, 2279 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (78045).

2⁴⁰⁶⁶⁹⁴ is an apocalyptic number.

406694 is a deficient number, since it is larger than the sum of its proper divisors (217666).

406694 is a wasteful number, since it uses less digits than its factorization.

406694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 406694 is about 637.7256463402. The cubic root of 406694 is about 74.0893733892.

The spelling of 406694 in words is "four hundred six thousand, six hundred ninety-four".