385233407 has 4 divisors (see below), whose sum is σ = 414866760. Its totient is φ = 355600056.

The previous prime is 385233383. The next prime is 385233449. The reversal of 385233407 is 704332583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704332583 = 331 ⋅2127893.

It is a cyclic number.

It is not a de Polignac number, because 385233407 - 2¹⁰ = 385232383 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 (385233487) 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, 14816657 + ... + 14816682.

It is an arithmetic number, because the mean of its divisors is an integer number (103716690).

Almost surely, 2^385233407 is an apocalyptic number.

385233407 is a deficient number, since it is larger than the sum of its proper divisors (29633353).

385233407 is a wasteful number, since it uses less digits than its factorization.

385233407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29633352.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 385233407 is about 19627.3637302619. The cubic root of 385233407 is about 727.6256169603.

The spelling of 385233407 in words is "three hundred eighty-five million, two hundred thirty-three thousand, four hundred seven".