890461240 has 64 divisors (see below), whose sum is σ = 2128744800. Its totient is φ = 334591488.

The previous prime is 890461237. The next prime is 890461283. The reversal of 890461240 is 42164098.

It is a junction number, because it is equal to n+sod(n) for n = 890461196 and 890461205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32547 + ... + 53293.

Almost surely, 2^890461240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890461240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064372400).

890461240 is an abundant number, since it is smaller than the sum of its proper divisors (1238283560).

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

890461240 is a wasteful number, since it uses less digits than its factorization.

890461240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824 (or 20820 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 890461240 is about 29840.5971790110. The cubic root of 890461240 is about 962.0663102647.

The spelling of 890461240 in words is "eight hundred ninety million, four hundred sixty-one thousand, two hundred forty".