1043964 has 36 divisors (see below), whose sum is σ = 2699424. Its totient is φ = 340032.

The previous prime is 1043951. The next prime is 1043969. The reversal of 1043964 is 4693401.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (74984).

2^1043964 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 1043964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349712).

1043964 is an abundant number, since it is smaller than the sum of its proper divisors (1655460).

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

1043964 is a wasteful number, since it uses less digits than its factorization.

1043964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1043964 is about 1021.7455651971. The cubic root of 1043964 is about 101.4445003841. Note that the first 3 decimals are identical.

The spelling of 1043964 in words is "one million, forty-three thousand, nine hundred sixty-four".