379806786 has 64 divisors (see below), whose sum is σ = 865123200. Its totient is φ = 123475968.

The previous prime is 379806781. The next prime is 379806829. The reversal of 379806786 is 687608973.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (379806781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408370 + ... + 409298.

It is an arithmetic number, because the mean of its divisors is an integer number (13517550).

Almost surely, 2^379806786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 379806786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432561600).

379806786 is an abundant number, since it is smaller than the sum of its proper divisors (485316414).

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

379806786 is a wasteful number, since it uses less digits than its factorization.

379806786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 379806786 is about 19488.6322249664. The cubic root of 379806786 is about 724.1928621961.

The spelling of 379806786 in words is "three hundred seventy-nine million, eight hundred six thousand, seven hundred eighty-six".