90032939 has 2 divisors, whose sum is σ = 90032940. Its totient is φ = 90032938.

The previous prime is 90032933. The next prime is 90032981. The reversal of 90032939 is 93923009.

It is a weak prime.

It is an emirp because it is prime and its reverse (93923009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90032939 - 2¹² = 90028843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90032899 and 90032908.

It is not a weakly prime, because it can be changed into another prime (90032933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45016469 + 45016470.

It is an arithmetic number, because the mean of its divisors is an integer number (45016470).

Almost surely, 2^90032939 is an apocalyptic number.

90032939 is a deficient number, since it is larger than the sum of its proper divisors (1).

90032939 is an equidigital number, since it uses as much as digits as its factorization.

90032939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 90032939 is about 9488.5688594224. The cubic root of 90032939 is about 448.1951394655.

The spelling of 90032939 in words is "ninety million, thirty-two thousand, nine hundred thirty-nine".