90043461 has 8 divisors (see below), whose sum is σ = 133397760. Its totient is φ = 60028956.

The previous prime is 90043453. The next prime is 90043507. The reversal of 90043461 is 16434009.

It is not a de Polignac number, because 90043461 - 2³ = 90043453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3334943 = 90043461 / (9 + 0 + 0 + 4 + 3 + 4 + 6 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90043411) 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, 1667445 + ... + 1667498.

It is an arithmetic number, because the mean of its divisors is an integer number (16674720).

Almost surely, 2^90043461 is an apocalyptic number.

It is an amenable number.

90043461 is a deficient number, since it is larger than the sum of its proper divisors (43354299).

90043461 is a wasteful number, since it uses less digits than its factorization.

90043461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334952 (or 3334946 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 90043461 is about 9489.1232998628. The cubic root of 90043461 is about 448.2125987258.

The spelling of 90043461 in words is "ninety million, forty-three thousand, four hundred sixty-one".