926381 has 4 divisors (see below), whose sum is σ = 980892. Its totient is φ = 871872.

The previous prime is 926377. The next prime is 926389. The reversal of 926381 is 183629.

926381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 183629 = 47 ⋅3907.

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 448900 = 691^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 926381 - 2² = 926377 is a prime.

It is a super-2 number, since 2×926381² = 1716363514322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (926389) 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, 27230 + ... + 27263.

It is an arithmetic number, because the mean of its divisors is an integer number (245223).

2⁹²⁶³⁸¹ is an apocalyptic number.

It is an amenable number.

926381 is a deficient number, since it is larger than the sum of its proper divisors (54511).

926381 is a wasteful number, since it uses less digits than its factorization.

926381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54510.

The product of its digits is 2592, while the sum is 29.

The square root of 926381 is about 962.4868830275. The cubic root of 926381 is about 97.4832230612.

The spelling of 926381 in words is "nine hundred twenty-six thousand, three hundred eighty-one".