2400029 has 4 divisors (see below), whose sum is σ = 2414076. Its totient is φ = 2385984.

The previous prime is 2400019. The next prime is 2400031. The reversal of 2400029 is 9200042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9200042 = 2 ⋅4600021.

It can be written as a sum of positive squares in 2 ways, for example, as 1716100 + 683929 = 1310^2 + 827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400019) 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, 6764 + ... + 7109.

It is an arithmetic number, because the mean of its divisors is an integer number (603519).

2^2400029 is an apocalyptic number.

It is an amenable number.

2400029 is a deficient number, since it is larger than the sum of its proper divisors (14047).

2400029 is a wasteful number, since it uses less digits than its factorization.

2400029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2400029 is about 1549.2026981644. The cubic root of 2400029 is about 133.8871292797.

The spelling of 2400029 in words is "two million, four hundred thousand, twenty-nine".