40379 has 4 divisors (see below), whose sum is σ = 40800. Its totient is φ = 39960.

The previous prime is 40361. The next prime is 40387. The reversal of 40379 is 97304.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40379 - 2⁸ = 40123 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40379.

It is not an unprimeable number, because it can be changed into a prime (40879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 284.

It is an arithmetic number, because the mean of its divisors is an integer number (10200).

2⁴⁰³⁷⁹ is an apocalyptic number.

40379 is a deficient number, since it is larger than the sum of its proper divisors (421).

40379 is a wasteful number, since it uses less digits than its factorization.

40379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 40379 is about 200.9452661796. The cubic root of 40379 is about 34.3071930561.

The spelling of 40379 in words is "forty thousand, three hundred seventy-nine".