385407101 has 4 divisors (see below), whose sum is σ = 387536604. Its totient is φ = 383277600.

The previous prime is 385407083. The next prime is 385407103. The reversal of 385407101 is 101704583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101704583 = 31 ⋅3280793.

It can be written as a sum of positive squares in 2 ways, for example, as 66748900 + 318658201 = 8170^2 + 17851^2 .

It is a cyclic number.

It is not a de Polignac number, because 385407101 - 2⁶ = 385407037 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 (385407103) 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, 1064480 + ... + 1064841.

It is an arithmetic number, because the mean of its divisors is an integer number (96884151).

Almost surely, 2^385407101 is an apocalyptic number.

It is an amenable number.

385407101 is a deficient number, since it is larger than the sum of its proper divisors (2129503).

385407101 is a wasteful number, since it uses less digits than its factorization.

385407101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129502.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 385407101 is about 19631.7880235092. The cubic root of 385407101 is about 727.7349577839.

The spelling of 385407101 in words is "three hundred eighty-five million, four hundred seven thousand, one hundred one".