385437901 has 4 divisors (see below), whose sum is σ = 385479712. Its totient is φ = 385396092.

The previous prime is 385437893. The next prime is 385437947. The reversal of 385437901 is 109734583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 385437901 - 2³ = 385437893 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 (385437961) 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, 321 + ... + 27766.

It is an arithmetic number, because the mean of its divisors is an integer number (96369928).

Almost surely, 2^385437901 is an apocalyptic number.

It is an amenable number.

385437901 is a deficient number, since it is larger than the sum of its proper divisors (41811).

385437901 is a wasteful number, since it uses less digits than its factorization.

385437901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41810.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 385437901 is about 19632.5724498854. The cubic root of 385437901 is about 727.7543430344.

The spelling of 385437901 in words is "three hundred eighty-five million, four hundred thirty-seven thousand, nine hundred one".