976381 has 4 divisors (see below), whose sum is σ = 1115872. Its totient is φ = 836892.

The previous prime is 976369. The next prime is 976403. The reversal of 976381 is 183679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183679 = 83 ⋅2213.

It is not a de Polignac number, because 976381 - 2⁷ = 976253 is a prime.

It is a super-2 number, since 2×976381² = 1906639714322, which contains 22 as substring.

It is a Duffinian number.

976381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69735 + ... + 69748.

It is an arithmetic number, because the mean of its divisors is an integer number (278968).

2⁹⁷⁶³⁸¹ is an apocalyptic number.

It is an amenable number.

976381 is a deficient number, since it is larger than the sum of its proper divisors (139491).

976381 is a wasteful number, since it uses less digits than its factorization.

976381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139490.

The product of its digits is 9072, while the sum is 34.

The square root of 976381 is about 988.1199319921. The cubic root of 976381 is about 99.2064189503.

The spelling of 976381 in words is "nine hundred seventy-six thousand, three hundred eighty-one".