387451244 has 6 divisors (see below), whose sum is σ = 678039684. Its totient is φ = 193725620.

The previous prime is 387451243. The next prime is 387451247. The reversal of 387451244 is 442154783.

It is a junction number, because it is equal to n+sod(n) for n = 387451198 and 387451207.

It is not an unprimeable number, because it can be changed into a prime (387451243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48431402 + ... + 48431409.

It is an arithmetic number, because the mean of its divisors is an integer number (113006614).

Almost surely, 2^387451244 is an apocalyptic number.

It is an amenable number.

387451244 is a deficient number, since it is larger than the sum of its proper divisors (290588440).

387451244 is a wasteful number, since it uses less digits than its factorization.

387451244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96862815 (or 96862813 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 387451244 is about 19683.7812424341. The cubic root of 387451244 is about 729.0192898090.

The spelling of 387451244 in words is "three hundred eighty-seven million, four hundred fifty-one thousand, two hundred forty-four".