703406431 has 16 divisors (see below), whose sum is σ = 866711104. Its totient is φ = 555911424.

The previous prime is 703406419. The next prime is 703406477. The reversal of 703406431 is 134604307.

It is a cyclic number.

It is not a de Polignac number, because 703406431 - 2¹⁷ = 703275359 is a prime.

It is a super-2 number, since 2×703406431² = 989561214344315522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 703406431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (703406411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86851 + ... + 94603.

It is an arithmetic number, because the mean of its divisors is an integer number (54169444).

Almost surely, 2^703406431 is an apocalyptic number.

703406431 is a deficient number, since it is larger than the sum of its proper divisors (163304673).

703406431 is a wasteful number, since it uses less digits than its factorization.

703406431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 703406431 is about 26521.8104774165. The cubic root of 703406431 is about 889.3419497094.

The spelling of 703406431 in words is "seven hundred three million, four hundred six thousand, four hundred thirty-one".