926009381 has 8 divisors (see below), whose sum is σ = 1011880128. Its totient is φ = 840420000.

The previous prime is 926009347. The next prime is 926009387. The reversal of 926009381 is 183900629.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-926009381 is a prime.

It is a super-2 number, since 2×926009381² = 1714986747400006322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (926009387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63425 + ... + 76646.

It is an arithmetic number, because the mean of its divisors is an integer number (126485016).

Almost surely, 2^926009381 is an apocalyptic number.

It is an amenable number.

926009381 is a deficient number, since it is larger than the sum of its proper divisors (85870747).

926009381 is a wasteful number, since it uses less digits than its factorization.

926009381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140683.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 926009381 is about 30430.4022484094. The cubic root of 926009381 is about 974.7018614186.

The spelling of 926009381 in words is "nine hundred twenty-six million, nine thousand, three hundred eighty-one".