1403938085 has 16 divisors (see below), whose sum is σ = 1846608192. Its totient is φ = 1016198400.

The previous prime is 1403938061. The next prime is 1403938087. The reversal of 1403938085 is 5808393041.

It is not a de Polignac number, because 1403938085 - 2¹² = 1403933989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403938087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48884 + ... + 72093.

It is an arithmetic number, because the mean of its divisors is an integer number (115413012).

Almost surely, 2^1403938085 is an apocalyptic number.

It is an amenable number.

1403938085 is a deficient number, since it is larger than the sum of its proper divisors (442670107).

1403938085 is a wasteful number, since it uses less digits than its factorization.

1403938085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121204.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1403938085 is about 37469.1617867280. The cubic root of 1403938085 is about 1119.7368868012.

The spelling of 1403938085 in words is "one billion, four hundred three million, nine hundred thirty-eight thousand, eighty-five".