890686412 has 48 divisors (see below), whose sum is σ = 1980018432. Its totient is φ = 340466880.

The previous prime is 890686411. The next prime is 890686417. The reversal of 890686412 is 214686098.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (890686411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10958 + ... + 43605.

It is an arithmetic number, because the mean of its divisors is an integer number (41250384).

Almost surely, 2^890686412 is an apocalyptic number.

It is an amenable number.

890686412 is an abundant number, since it is smaller than the sum of its proper divisors (1089332020).

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

890686412 is a wasteful number, since it uses less digits than its factorization.

890686412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54638 (or 54636 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 890686412 is about 29844.3698542958. The cubic root of 890686412 is about 962.1473963836.

The spelling of 890686412 in words is "eight hundred ninety million, six hundred eighty-six thousand, four hundred twelve".