387352946 has 4 divisors (see below), whose sum is σ = 581029422. Its totient is φ = 193676472.

The previous prime is 387352919. The next prime is 387352961. The reversal of 387352946 is 649253783.

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: 649253783 = 17 ⋅38191399.

It can be written as a sum of positive squares in only one way, i.e., 346890625 + 40462321 = 18625^2 + 6361^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 387352946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96838235 + ... + 96838238.

Almost surely, 2^387352946 is an apocalyptic number.

387352946 is a deficient number, since it is larger than the sum of its proper divisors (193676476).

387352946 is a wasteful number, since it uses less digits than its factorization.

387352946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193676475.

The product of its digits is 1088640, while the sum is 47.

The square root of 387352946 is about 19681.2841552578. The cubic root of 387352946 is about 728.9576328476.

The spelling of 387352946 in words is "three hundred eighty-seven million, three hundred fifty-two thousand, nine hundred forty-six".