90914949 has 12 divisors (see below), whose sum is σ = 133475212. Its totient is φ = 59616000.

The previous prime is 90914947. The next prime is 90914987. The reversal of 90914949 is 94941909.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 55130625 = 5982^2 + 7425^2 .

It is not a de Polignac number, because 90914949 - 2¹ = 90914947 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 (90914947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82252 + ... + 83349.

Almost surely, 2^90914949 is an apocalyptic number.

It is an amenable number.

90914949 is a deficient number, since it is larger than the sum of its proper divisors (42560263).

90914949 is a wasteful number, since it uses less digits than its factorization.

90914949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165668 (or 165665 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 90914949 is about 9534.9330883861. The cubic root of 90914949 is about 449.6539710251.

The spelling of 90914949 in words is "ninety million, nine hundred fourteen thousand, nine hundred forty-nine".