379778490 has 384 divisors, whose sum is σ = 1328140800. Its totient is φ = 75479040.

The previous prime is 379778473. The next prime is 379778513. The reversal of 379778490 is 94877973.

379778490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9262870 + ... + 9262910.

It is an arithmetic number, because the mean of its divisors is an integer number (3458700).

Almost surely, 2^379778490 is an apocalyptic number.

379778490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 379778490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664070400).

379778490 is an abundant number, since it is smaller than the sum of its proper divisors (948362310).

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

379778490 is a wasteful number, since it uses less digits than its factorization.

379778490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 379778490 is about 19487.9062497745. The cubic root of 379778490 is about 724.1748773760.

The spelling of 379778490 in words is "three hundred seventy-nine million, seven hundred seventy-eight thousand, four hundred ninety".