9780379 has 8 divisors (see below), whose sum is σ = 11197440. Its totient is φ = 8368296.

The previous prime is 9780377. The next prime is 9780403. The reversal of 9780379 is 9730879.

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

It is a cyclic number.

It is not a de Polignac number, because 9780379 - 2¹ = 9780377 is a prime.

It is a Duffinian number.

9780379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9780373) 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, 5232 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (1399680).

Almost surely, 2^9780379 is an apocalyptic number.

9780379 is a deficient number, since it is larger than the sum of its proper divisors (1417061).

9780379 is a wasteful number, since it uses less digits than its factorization.

9780379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 9780379 is about 3127.3597490535. The cubic root of 9780379 is about 213.8545828402.

The spelling of 9780379 in words is "nine million, seven hundred eighty thousand, three hundred seventy-nine".