387555466 has 4 divisors (see below), whose sum is σ = 581333202. Its totient is φ = 193777732.

The previous prime is 387555461. The next prime is 387555527. The reversal of 387555466 is 664555783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664555783 = 7417 ⋅89599.

It can be written as a sum of positive squares in only one way, i.e., 382398025 + 5157441 = 19555^2 + 2271^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (387555461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96888865 + ... + 96888868.

Almost surely, 2^387555466 is an apocalyptic number.

387555466 is a deficient number, since it is larger than the sum of its proper divisors (193777736).

387555466 is a wasteful number, since it uses less digits than its factorization.

387555466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193777735.

The product of its digits is 3024000, while the sum is 49.

The square root of 387555466 is about 19686.4284724274. The cubic root of 387555466 is about 729.0846511828.

The spelling of 387555466 in words is "three hundred eighty-seven million, five hundred fifty-five thousand, four hundred sixty-six".