90470438 has 8 divisors (see below), whose sum is σ = 142848120. Its totient is φ = 42854400.

The previous prime is 90470407. The next prime is 90470453. The reversal of 90470438 is 83407409.

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

It is a junction number, because it is equal to n+sod(n) for n = 90470398 and 90470407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190363 + ... + 1190438.

It is an arithmetic number, because the mean of its divisors is an integer number (17856015).

Almost surely, 2^90470438 is an apocalyptic number.

90470438 is a deficient number, since it is larger than the sum of its proper divisors (52377682).

90470438 is a wasteful number, since it uses less digits than its factorization.

90470438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380822.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 90470438 is about 9511.5949240913. The cubic root of 90470438 is about 448.9199414803.

The spelling of 90470438 in words is "ninety million, four hundred seventy thousand, four hundred thirty-eight".