1031406 has 16 divisors (see below), whose sum is σ = 2072784. Its totient is φ = 342144.

The previous prime is 1031399. The next prime is 1031411. The reversal of 1031406 is 6041301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (129549).

2^1031406 is an apocalyptic number.

1031406 is an abundant number, since it is smaller than the sum of its proper divisors (1041378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031406 is a wasteful number, since it uses less digits than its factorization.

1031406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1031406 is about 1015.5816067653. The cubic root of 1031406 is about 101.0360946704.

Adding to 1031406 its reverse (6041301), we get a palindrome (7072707).

The spelling of 1031406 in words is "one million, thirty-one thousand, four hundred six".