387649083 has 8 divisors (see below), whose sum is σ = 525338896. Its totient is φ = 254196000.

The previous prime is 387649063. The next prime is 387649103. The reversal of 387649083 is 380946783.

It is an interprime number because it is at equal distance from previous prime (387649063) and next prime (387649103).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387649083 - 2⁶ = 387649019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387649013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058968 + ... + 1059333.

It is an arithmetic number, because the mean of its divisors is an integer number (65667362).

Almost surely, 2^387649083 is an apocalyptic number.

387649083 is a deficient number, since it is larger than the sum of its proper divisors (137689813).

387649083 is a wasteful number, since it uses less digits than its factorization.

387649083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118365.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 387649083 is about 19688.8060328706. The cubic root of 387649083 is about 729.1433517893.

The spelling of 387649083 in words is "three hundred eighty-seven million, six hundred forty-nine thousand, eighty-three".