1308406 has 8 divisors (see below), whose sum is σ = 2141064. Its totient is φ = 594720.

The previous prime is 1308403. The next prime is 1308413. The reversal of 1308406 is 6048031.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 59473 = 1308406 / (1 + 3 + 0 + 8 + 4 + 0 + 6).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308403) 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, 29715 + ... + 29758.

It is an arithmetic number, because the mean of its divisors is an integer number (267633).

2^1308406 is an apocalyptic number.

1308406 is a deficient number, since it is larger than the sum of its proper divisors (832658).

1308406 is a wasteful number, since it uses less digits than its factorization.

1308406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59486.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1308406 is about 1143.8557601376. The cubic root of 1308406 is about 109.3740202361.

The spelling of 1308406 in words is "one million, three hundred eight thousand, four hundred six".