4321040 has 20 divisors (see below), whose sum is σ = 10046604. Its totient is φ = 1728384.

The previous prime is 4321019. The next prime is 4321049. The reversal of 4321040 is 401234.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 3429904 = 944^2 + 1852^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (4321049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26927 + ... + 27086.

Almost surely, 2^4321040 is an apocalyptic number.

4321040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321040 is an abundant number, since it is smaller than the sum of its proper divisors (5725564).

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

4321040 is a wasteful number, since it uses less digits than its factorization.

4321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54026 (or 54020 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4321040 is about 2078.7111391437. The cubic root of 4321040 is about 162.8781253652.

Adding to 4321040 its reverse (401234), we get a palindrome (4722274).

The spelling of 4321040 in words is "four million, three hundred twenty-one thousand, forty".