385264157 has 4 divisors (see below), whose sum is σ = 387571296. Its totient is φ = 382957020.

The previous prime is 385264151. The next prime is 385264177. The reversal of 385264157 is 751462583.

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 an emirpimes, since its reverse is a distinct semiprime: 751462583 = 547 ⋅1373789.

It is a cyclic number.

It is not a de Polignac number, because 385264157 - 2⁴ = 385264141 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 (385264151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153319 + ... + 1153652.

It is an arithmetic number, because the mean of its divisors is an integer number (96892824).

Almost surely, 2^385264157 is an apocalyptic number.

It is an amenable number.

385264157 is a deficient number, since it is larger than the sum of its proper divisors (2307139).

385264157 is a wasteful number, since it uses less digits than its factorization.

385264157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307138.

The product of its digits is 201600, while the sum is 41.

The square root of 385264157 is about 19628.1470597711. The cubic root of 385264157 is about 727.6449765589.

The spelling of 385264157 in words is "three hundred eighty-five million, two hundred sixty-four thousand, one hundred fifty-seven".