90426459 has 4 divisors (see below), whose sum is σ = 120568616. Its totient is φ = 60284304.

The previous prime is 90426433. The next prime is 90426521. The reversal of 90426459 is 95462409.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90426459 - 2¹² = 90422363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90426419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15071074 + ... + 15071079.

It is an arithmetic number, because the mean of its divisors is an integer number (30142154).

Almost surely, 2^90426459 is an apocalyptic number.

90426459 is a deficient number, since it is larger than the sum of its proper divisors (30142157).

90426459 is a wasteful number, since it uses less digits than its factorization.

90426459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30142156.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 90426459 is about 9509.2827805256. The cubic root of 90426459 is about 448.8471875121.

The spelling of 90426459 in words is "ninety million, four hundred twenty-six thousand, four hundred fifty-nine".