90269247 has 8 divisors (see below), whose sum is σ = 126693760. Its totient is φ = 57012120.

The previous prime is 90269243. The next prime is 90269251. The reversal of 90269247 is 74296209.

It is an interprime number because it is at equal distance from previous prime (90269243) and next prime (90269251).

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

It is not a de Polignac number, because 90269247 - 2² = 90269243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90269243) 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, 791779 + ... + 791892.

It is an arithmetic number, because the mean of its divisors is an integer number (15836720).

Almost surely, 2^90269247 is an apocalyptic number.

90269247 is a deficient number, since it is larger than the sum of its proper divisors (36424513).

90269247 is a wasteful number, since it uses less digits than its factorization.

90269247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583693.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 90269247 is about 9501.0129459969. The cubic root of 90269247 is about 448.5869204112.

The spelling of 90269247 in words is "ninety million, two hundred sixty-nine thousand, two hundred forty-seven".