90419147 has 8 divisors (see below), whose sum is σ = 111285216. Its totient is φ = 71540352.

The previous prime is 90419143. The next prime is 90419177. The reversal of 90419147 is 74191409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90419147 - 2² = 90419143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90419143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496718 + ... + 496899.

It is an arithmetic number, because the mean of its divisors is an integer number (13910652).

Almost surely, 2^90419147 is an apocalyptic number.

90419147 is a deficient number, since it is larger than the sum of its proper divisors (20866069).

90419147 is a wasteful number, since it uses less digits than its factorization.

90419147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993637.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 90419147 is about 9508.8983063234. The cubic root of 90419147 is about 448.8350890653.

The spelling of 90419147 in words is "ninety million, four hundred nineteen thousand, one hundred forty-seven".