90841433 has 8 divisors (see below), whose sum is σ = 91599816. Its totient is φ = 90086400.

The previous prime is 90841397. The next prime is 90841469. The reversal of 90841433 is 33414809.

It is an interprime number because it is at equal distance from previous prime (90841397) and next prime (90841469).

It can be written as a sum of positive squares in 4 ways, for example, as 3829849 + 87011584 = 1957^2 + 9328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90841433 - 2¹² = 90837337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90841433.

It is not an unprimeable number, because it can be changed into a prime (90841483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88463 + ... + 89483.

It is an arithmetic number, because the mean of its divisors is an integer number (11449977).

Almost surely, 2^90841433 is an apocalyptic number.

It is an amenable number.

90841433 is a deficient number, since it is larger than the sum of its proper divisors (758383).

90841433 is a wasteful number, since it uses less digits than its factorization.

90841433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 90841433 is about 9531.0772213848. The cubic root of 90841433 is about 449.5327380271.

The spelling of 90841433 in words is "ninety million, eight hundred forty-one thousand, four hundred thirty-three".