387248994 has 96 divisors (see below), whose sum is σ = 976435200. Its totient is φ = 109680480.

The previous prime is 387248963. The next prime is 387249019. The reversal of 387248994 is 499842783.

387248994 is a `hidden beast` number, since 3 + 8 + 72 + 489 + 94 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 387248994.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296547 + ... + 297849.

It is an arithmetic number, because the mean of its divisors is an integer number (10171200).

Almost surely, 2^387248994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387248994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488217600).

387248994 is an abundant number, since it is smaller than the sum of its proper divisors (589186206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387248994 is a wasteful number, since it uses less digits than its factorization.

387248994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1417 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 387248994 is about 19678.6430934656. The cubic root of 387248994 is about 728.8924180917.

The spelling of 387248994 in words is "three hundred eighty-seven million, two hundred forty-eight thousand, nine hundred ninety-four".