90694297 has 4 divisors (see below), whose sum is σ = 90713700. Its totient is φ = 90674896.

The previous prime is 90694283. The next prime is 90694309. The reversal of 90694297 is 79249609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43414921 + 47279376 = 6589^2 + 6876^2 .

It is a cyclic number.

It is not a de Polignac number, because 90694297 - 2¹¹ = 90692249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90694207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (22678425).

Almost surely, 2^90694297 is an apocalyptic number.

It is an amenable number.

90694297 is a deficient number, since it is larger than the sum of its proper divisors (19403).

90694297 is a wasteful number, since it uses less digits than its factorization.

90694297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19402.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 90694297 is about 9523.3553435751. The cubic root of 90694297 is about 449.2899039323.

It can be divided in two parts, 9069 and 4297, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 90694297 in words is "ninety million, six hundred ninety-four thousand, two hundred ninety-seven".