385033687 has 2 divisors, whose sum is σ = 385033688. Its totient is φ = 385033686.

The previous prime is 385033679. The next prime is 385033699. The reversal of 385033687 is 786330583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385033687 - 2³ = 385033679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385013687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192516843 + 192516844.

It is an arithmetic number, because the mean of its divisors is an integer number (192516844).

Almost surely, 2^385033687 is an apocalyptic number.

385033687 is a deficient number, since it is larger than the sum of its proper divisors (1).

385033687 is an equidigital number, since it uses as much as digits as its factorization.

385033687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 385033687 is about 19622.2752758186. The cubic root of 385033687 is about 727.4998520723.

The spelling of 385033687 in words is "three hundred eighty-five million, thirty-three thousand, six hundred eighty-seven".