2334440 has 32 divisors (see below), whose sum is σ = 5563080. Its totient is φ = 878592.

The previous prime is 2334439. The next prime is 2334463. The reversal of 2334440 is 444332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1976836 + 357604 = 1406^2 + 598^2 .

It is a super-2 number, since 2×2334440² = 10899220227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3¹⁰ + 3¹¹ + 4 + 4³ + 4⁵ + 0 .

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, 1037 + ... + 2396.

2^2334440 is an apocalyptic number.

2334440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2334440 is an abundant number, since it is smaller than the sum of its proper divisors (3228640).

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

2334440 is a wasteful number, since it uses less digits than its factorization.

2334440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2334440 is about 1527.8874304084. The cubic root of 2334440 is about 132.6562059489.

Adding to 2334440 its reverse (444332), we get a palindrome (2778772).

The spelling of 2334440 in words is "two million, three hundred thirty-four thousand, four hundred forty".