90389046 has 16 divisors (see below), whose sum is σ = 197212608. Its totient is φ = 27390600.

The previous prime is 90388997. The next prime is 90389071. The reversal of 90389046 is 64098309.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90388995 and 90389013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684700 + ... + 684831.

It is an arithmetic number, because the mean of its divisors is an integer number (12325788).

Almost surely, 2^90389046 is an apocalyptic number.

90389046 is an abundant number, since it is smaller than the sum of its proper divisors (106823562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90389046 is a wasteful number, since it uses less digits than its factorization.

90389046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369547.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 90389046 is about 9507.3153939480. The cubic root of 90389046 is about 448.7852770327.

The spelling of 90389046 in words is "ninety million, three hundred eighty-nine thousand, forty-six".