90471461 has 4 divisors (see below), whose sum is σ = 92678124. Its totient is φ = 88264800.

The previous prime is 90471449. The next prime is 90471481. The reversal of 90471461 is 16417409.

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 20079361 + 70392100 = 4481^2 + 8390^2 .

It is not a de Polignac number, because 90471461 - 2¹⁴ = 90455077 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 (90471431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103270 + ... + 1103351.

It is an arithmetic number, because the mean of its divisors is an integer number (23169531).

Almost surely, 2^90471461 is an apocalyptic number.

It is an amenable number.

90471461 is a deficient number, since it is larger than the sum of its proper divisors (2206663).

90471461 is a wasteful number, since it uses less digits than its factorization.

90471461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206662.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 90471461 is about 9511.6487004094. The cubic root of 90471461 is about 448.9216335371.

The spelling of 90471461 in words is "ninety million, four hundred seventy-one thousand, four hundred sixty-one".