926939021 has 2 divisors, whose sum is σ = 926939022. Its totient is φ = 926939020.

The previous prime is 926938973. The next prime is 926939033. The reversal of 926939021 is 120939629.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659976100 + 266962921 = 25690^2 + 16339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-926939021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 926939021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (926939051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463469510 + 463469511.

It is an arithmetic number, because the mean of its divisors is an integer number (463469511).

Almost surely, 2^926939021 is an apocalyptic number.

It is an amenable number.

926939021 is a deficient number, since it is larger than the sum of its proper divisors (1).

926939021 is an equidigital number, since it uses as much as digits as its factorization.

926939021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 926939021 is about 30445.6732722402. The cubic root of 926939021 is about 975.0279267916.

The spelling of 926939021 in words is "nine hundred twenty-six million, nine hundred thirty-nine thousand, twenty-one".