90381711 has 8 divisors (see below), whose sum is σ = 137724544. Its totient is φ = 51646680.

The previous prime is 90381701. The next prime is 90381737. The reversal of 90381711 is 11718309.

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

It is not a de Polignac number, because 90381711 - 2⁵ = 90381679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90381701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151925 + ... + 2151966.

It is an arithmetic number, because the mean of its divisors is an integer number (17215568).

Almost surely, 2^90381711 is an apocalyptic number.

90381711 is a deficient number, since it is larger than the sum of its proper divisors (47342833).

90381711 is a wasteful number, since it uses less digits than its factorization.

90381711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303901.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 90381711 is about 9506.9296305379. The cubic root of 90381711 is about 448.7731371802.

The spelling of 90381711 in words is "ninety million, three hundred eighty-one thousand, seven hundred eleven".