2081464 has 64 divisors (see below), whose sum is σ = 5068800. Its totient is φ = 777600.

The previous prime is 2081437. The next prime is 2081467. The reversal of 2081464 is 4641802.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081467) 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, 19042 + ... + 19150.

It is an arithmetic number, because the mean of its divisors is an integer number (79200).

2^2081464 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 2081464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534400).

2081464 is an abundant number, since it is smaller than the sum of its proper divisors (2987336).

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

2081464 is a wasteful number, since it uses less digits than its factorization.

2081464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2081464 is about 1442.7279715872. The cubic root of 2081464 is about 127.6800276275.

The spelling of 2081464 in words is "two million, eighty-one thousand, four hundred sixty-four".