90340337 has 2 divisors, whose sum is σ = 90340338. Its totient is φ = 90340336.

The previous prime is 90340331. The next prime is 90340357. The reversal of 90340337 is 73304309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75968656 + 14371681 = 8716^2 + 3791^2 .

It is a cyclic number.

It is not a de Polignac number, because 90340337 - 2¹⁴ = 90323953 is a prime.

It is a super-2 number, since 2×90340337² = 16322752978547138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90340331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45170168 + 45170169.

It is an arithmetic number, because the mean of its divisors is an integer number (45170169).

Almost surely, 2^90340337 is an apocalyptic number.

It is an amenable number.

90340337 is a deficient number, since it is larger than the sum of its proper divisors (1).

90340337 is an equidigital number, since it uses as much as digits as its factorization.

90340337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 90340337 is about 9504.7533897519. The cubic root of 90340337 is about 448.7046484948.

The spelling of 90340337 in words is "ninety million, three hundred forty thousand, three hundred thirty-seven".