90946633 has 2 divisors, whose sum is σ = 90946634. Its totient is φ = 90946632.

The previous prime is 90946607. The next prime is 90946643. The reversal of 90946633 is 33664909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 14768649 = 8728^2 + 3843^2 .

It is an emirp because it is prime and its reverse (33664909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90946633 - 2¹⁷ = 90815561 is a prime.

It is not a weakly prime, because it can be changed into another prime (90946643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45473316 + 45473317.

It is an arithmetic number, because the mean of its divisors is an integer number (45473317).

Almost surely, 2^90946633 is an apocalyptic number.

It is an amenable number.

90946633 is a deficient number, since it is larger than the sum of its proper divisors (1).

90946633 is an equidigital number, since it uses as much as digits as its factorization.

90946633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 90946633 is about 9536.5944131016. The cubic root of 90946633 is about 449.7061999925.

The spelling of 90946633 in words is "ninety million, nine hundred forty-six thousand, six hundred thirty-three".