1091464 has 32 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 486720.

The previous prime is 1091459. The next prime is 1091471. The reversal of 1091464 is 4641901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6874 + ... + 7030.

It is an arithmetic number, because the mean of its divisors is an integer number (71100).

2^1091464 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 1091464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137600).

1091464 is an abundant number, since it is smaller than the sum of its proper divisors (1183736).

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

1091464 is a wasteful number, since it uses less digits than its factorization.

1091464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1091464 is about 1044.7315444649. The cubic root of 1091464 is about 102.9603014134.

The spelling of 1091464 in words is "one million, ninety-one thousand, four hundred sixty-four".