807406 has 4 divisors (see below), whose sum is σ = 1211112. Its totient is φ = 403702.

The previous prime is 807403. The next prime is 807407. The reversal of 807406 is 604708.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807403) 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 as a sum of consecutive naturals, namely, 201850 + ... + 201853.

It is an arithmetic number, because the mean of its divisors is an integer number (302778).

2⁸⁰⁷⁴⁰⁶ is an apocalyptic number.

807406 is a deficient number, since it is larger than the sum of its proper divisors (403706).

807406 is a wasteful number, since it uses less digits than its factorization.

807406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403705.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 807406 is about 898.5577332592. The cubic root of 807406 is about 93.1173606033.

The spelling of 807406 in words is "eight hundred seven thousand, four hundred six".