387667040 has 48 divisors (see below), whose sum is σ = 919274832. Its totient is φ = 154489344.

The previous prime is 387667039. The next prime is 387667043. The reversal of 387667040 is 40766783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387667043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39947 + ... + 48693.

It is an arithmetic number, because the mean of its divisors is an integer number (19151559).

Almost surely, 2^387667040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387667040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459637416).

387667040 is an abundant number, since it is smaller than the sum of its proper divisors (531607792).

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

387667040 is a wasteful number, since it uses less digits than its factorization.

387667040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9031 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 387667040 is about 19689.2620481317. The cubic root of 387667040 is about 729.1546102750.

The spelling of 387667040 in words is "three hundred eighty-seven million, six hundred sixty-seven thousand, forty".