385700402 has 4 divisors (see below), whose sum is σ = 578550606. Its totient is φ = 192850200.

The previous prime is 385700387. The next prime is 385700453. The reversal of 385700402 is 204007583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204007583 = 13 ⋅15692891.

It can be written as a sum of positive squares in only one way, i.e., 220552201 + 165148201 = 14851^2 + 12851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96425099 + ... + 96425102.

Almost surely, 2^385700402 is an apocalyptic number.

385700402 is a deficient number, since it is larger than the sum of its proper divisors (192850204).

385700402 is a wasteful number, since it uses less digits than its factorization.

385700402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192850203.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 385700402 is about 19639.2566559939. The cubic root of 385700402 is about 727.9195169751.

Adding to 385700402 its reverse (204007583), we get a palindrome (589707985).

The spelling of 385700402 in words is "three hundred eighty-five million, seven hundred thousand, four hundred two".