385368407 has 4 divisors (see below), whose sum is σ = 385933320. Its totient is φ = 384803496.

The previous prime is 385368383. The next prime is 385368413. The reversal of 385368407 is 704863583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704863583 = 1627 ⋅433229.

It is a cyclic number.

It is not a de Polignac number, because 385368407 - 2¹² = 385364311 is a prime.

It is a super-2 number, since 2×385368407² = 297017618227435298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385368437) 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, 281432 + ... + 282797.

It is an arithmetic number, because the mean of its divisors is an integer number (96483330).

Almost surely, 2^385368407 is an apocalyptic number.

385368407 is a deficient number, since it is larger than the sum of its proper divisors (564913).

385368407 is an equidigital number, since it uses as much as digits as its factorization.

385368407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564912.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 385368407 is about 19630.8025052467. The cubic root of 385368407 is about 727.7106026549.

The spelling of 385368407 in words is "three hundred eighty-five million, three hundred sixty-eight thousand, four hundred seven".