885739690 has 16 divisors (see below), whose sum is σ = 1739270880. Its totient is φ = 322087120.

The previous prime is 885739669. The next prime is 885739691. The reversal of 885739690 is 96937588.

It is a happy number.

It is a super-2 number, since 2×885739690² = 1569069596882592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (885739691) 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, 4025980 + ... + 4026199.

It is an arithmetic number, because the mean of its divisors is an integer number (108704430).

Almost surely, 2^885739690 is an apocalyptic number.

885739690 is a deficient number, since it is larger than the sum of its proper divisors (853531190).

885739690 is a wasteful number, since it uses less digits than its factorization.

885739690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052197.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 885739690 is about 29761.3791683114. The cubic root of 885739690 is about 960.3628872588.

The spelling of 885739690 in words is "eight hundred eighty-five million, seven hundred thirty-nine thousand, six hundred ninety".