387668452 has 6 divisors (see below), whose sum is σ = 678419798. Its totient is φ = 193834224.

The previous prime is 387668417. The next prime is 387668461. The reversal of 387668452 is 254866783.

It can be written as a sum of positive squares in only one way, i.e., 387066276 + 602176 = 19674^2 + 776^2 .

It is a junction number, because it is equal to n+sod(n) for n = 387668396 and 387668405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48458553 + ... + 48458560.

Almost surely, 2^387668452 is an apocalyptic number.

It is an amenable number.

387668452 is a deficient number, since it is larger than the sum of its proper divisors (290751346).

387668452 is a wasteful number, since it uses less digits than its factorization.

387668452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96917117 (or 96917115 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 387668452 is about 19689.2979052073. The cubic root of 387668452 is about 729.1554955408.

The spelling of 387668452 in words is "three hundred eighty-seven million, six hundred sixty-eight thousand, four hundred fifty-two".