90249003 has 12 divisors (see below), whose sum is σ = 140387520. Its totient is φ = 55537776.

The previous prime is 90249001. The next prime is 90249007. The reversal of 90249003 is 30094209.

It is not a de Polignac number, because 90249003 - 2¹ = 90249001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90249001) 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 11 ways as a sum of consecutive naturals, for example, 385563 + ... + 385796.

It is an arithmetic number, because the mean of its divisors is an integer number (11698960).

Almost surely, 2^90249003 is an apocalyptic number.

90249003 is a deficient number, since it is larger than the sum of its proper divisors (50138517).

90249003 is a wasteful number, since it uses less digits than its factorization.

90249003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771378 (or 771375 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 90249003 is about 9499.9475261709. The cubic root of 90249003 is about 448.5533841743.

The spelling of 90249003 in words is "ninety million, two hundred forty-nine thousand, three".