1008431 has 6 divisors (see below), whose sum is σ = 1030680. Its totient is φ = 986648.

The previous prime is 1008421. The next prime is 1008433. The reversal of 1008431 is 1348001.

It is a happy number.

It is not a de Polignac number, because 1008431 - 2¹⁸ = 746287 is a prime.

It is a super-5 number, since 5×1008431⁵ (a number of 31 digits) contains 55555 as substring. Note that it is a super-d number also for d = 4, 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (171780).

2^1008431 is an apocalyptic number.

1008431 is a deficient number, since it is larger than the sum of its proper divisors (22249).

1008431 is an frugal number, since it uses more digits than its factorization.

1008431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1008431 is about 1004.2066520393. The cubic root of 1008431 is about 100.2802472146.

The spelling of 1008431 in words is "one million, eight thousand, four hundred thirty-one".