1403664361 has 8 divisors (see below), whose sum is σ = 1531541664. Its totient is φ = 1275832320.

The previous prime is 1403664359. The next prime is 1403664371. The reversal of 1403664361 is 1634663041.

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

It is a cyclic number.

It is not a de Polignac number, because 1403664361 - 2¹ = 1403664359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403664371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112350 + ... + 124216.

It is an arithmetic number, because the mean of its divisors is an integer number (191442708).

Almost surely, 2^1403664361 is an apocalyptic number.

1403664361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1403664361 is a deficient number, since it is larger than the sum of its proper divisors (127877303).

1403664361 is a wasteful number, since it uses less digits than its factorization.

1403664361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22631.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1403664361 is about 37465.5089515677. The cubic root of 1403664361 is about 1119.6641108518.

The spelling of 1403664361 in words is "one billion, four hundred three million, six hundred sixty-four thousand, three hundred sixty-one".