385507156 has 6 divisors (see below), whose sum is σ = 674637530. Its totient is φ = 192753576.

The previous prime is 385507151. The next prime is 385507183. The reversal of 385507156 is 651705583.

It can be written as a sum of positive squares in only one way, i.e., 340402500 + 45104656 = 18450^2 + 6716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385507151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48188391 + ... + 48188398.

Almost surely, 2^385507156 is an apocalyptic number.

It is an amenable number.

385507156 is a deficient number, since it is larger than the sum of its proper divisors (289130374).

385507156 is a wasteful number, since it uses less digits than its factorization.

385507156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96376793 (or 96376791 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 385507156 is about 19634.3361486962. The cubic root of 385507156 is about 727.7979277541.

The spelling of 385507156 in words is "three hundred eighty-five million, five hundred seven thousand, one hundred fifty-six".