385941503 has 4 divisors (see below), whose sum is σ = 389762808. Its totient is φ = 382120200.

The previous prime is 385941481. The next prime is 385941511. The reversal of 385941503 is 305149583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385941503 - 2²⁰ = 384892927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385941593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910501 + ... + 1910702.

It is an arithmetic number, because the mean of its divisors is an integer number (97440702).

Almost surely, 2^385941503 is an apocalyptic number.

385941503 is a deficient number, since it is larger than the sum of its proper divisors (3821305).

385941503 is a wasteful number, since it uses less digits than its factorization.

385941503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821304.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 385941503 is about 19645.3939385292. The cubic root of 385941503 is about 728.0711593436.

The spelling of 385941503 in words is "three hundred eighty-five million, nine hundred forty-one thousand, five hundred three".