1403421471 has 24 divisors (see below), whose sum is σ = 2118340224. Its totient is φ = 928451160.

The previous prime is 1403421419. The next prime is 1403421473. The reversal of 1403421471 is 1741243041.

1403421471 is a `hidden beast` number, since 140 + 34 + 21 + 471 = 666.

1403421471 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1403421471 is a prime.

It is a super-3 number, since 3×1403421471³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403421473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9790 + ... + 53876.

It is an arithmetic number, because the mean of its divisors is an integer number (88264176).

Almost surely, 2^1403421471 is an apocalyptic number.

1403421471 is a deficient number, since it is larger than the sum of its proper divisors (714918753).

1403421471 is an equidigital number, since it uses as much as digits as its factorization.

1403421471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44233 (or 44221 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1403421471 is about 37462.2672965746. The cubic root of 1403421471 is about 1119.5995249220.

The spelling of 1403421471 in words is "one billion, four hundred three million, four hundred twenty-one thousand, four hundred seventy-one".