2291464 has 64 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 881664.

The previous prime is 2291459. The next prime is 2291477. The reversal of 2291464 is 4641922.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 27567 + ... + 27649.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^2291464 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 2291464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2291464 is an abundant number, since it is smaller than the sum of its proper divisors (3151736).

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

2291464 is a wasteful number, since it uses less digits than its factorization.

2291464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 138 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2291464 is about 1513.7582369718. The cubic root of 2291464 is about 131.8371115970.

It can be divided in two parts, 2 and 291464, that added together give a triangular number (291466 = T₇₆₃).

The spelling of 2291464 in words is "two million, two hundred ninety-one thousand, four hundred sixty-four".