387896705 has 16 divisors (see below), whose sum is σ = 532344960. Its totient is φ = 265800192.

The previous prime is 387896699. The next prime is 387896711. The reversal of 387896705 is 507698783.

It is an interprime number because it is at equal distance from previous prime (387896699) and next prime (387896711).

It is not a de Polignac number, because 387896705 - 2⁴ = 387896689 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63182 + ... + 69048.

It is an arithmetic number, because the mean of its divisors is an integer number (33271560).

Almost surely, 2^387896705 is an apocalyptic number.

387896705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

387896705 is a deficient number, since it is larger than the sum of its proper divisors (144448255).

387896705 is a wasteful number, since it uses less digits than its factorization.

387896705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 387896705 is about 19695.0934245055. The cubic root of 387896705 is about 729.2985725051.

The spelling of 387896705 in words is "three hundred eighty-seven million, eight hundred ninety-six thousand, seven hundred five".