90352869 has 8 divisors (see below), whose sum is σ = 120524352. Its totient is φ = 60208320.

The previous prime is 90352859. The next prime is 90352877. The reversal of 90352869 is 96825309.

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

It is not a de Polignac number, because 90352869 - 2⁵ = 90352837 is a prime.

It is a super-2 number, since 2×90352869² = 16327281873062322, which contains 22 as substring.

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 90352869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90352849) 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, 3184 + ... + 13814.

It is an arithmetic number, because the mean of its divisors is an integer number (15065544).

Almost surely, 2^90352869 is an apocalyptic number.

It is an amenable number.

90352869 is a deficient number, since it is larger than the sum of its proper divisors (30171483).

90352869 is a wasteful number, since it uses less digits than its factorization.

90352869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 90352869 is about 9505.4126159783. The cubic root of 90352869 is about 448.7253956193.

The spelling of 90352869 in words is "ninety million, three hundred fifty-two thousand, eight hundred sixty-nine".