2389469 has 4 divisors (see below), whose sum is σ = 2530044. Its totient is φ = 2248896.

The previous prime is 2389463. The next prime is 2389481. The reversal of 2389469 is 9649832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 344569 = 1430^2 + 587^2 .

It is not a de Polignac number, because 2389469 - 2⁸ = 2389213 is a prime.

It is a super-2 number, since 2×2389469² = 11419124203922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 3 + 8⁷ + 9 + 4⁶ + 6⁷ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70262 + ... + 70295.

It is an arithmetic number, because the mean of its divisors is an integer number (632511).

2^2389469 is an apocalyptic number.

It is an amenable number.

2389469 is a deficient number, since it is larger than the sum of its proper divisors (140575).

2389469 is a wasteful number, since it uses less digits than its factorization.

2389469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140574.

The product of its digits is 93312, while the sum is 41.

The square root of 2389469 is about 1545.7907361606. The cubic root of 2389469 is about 133.6904751576.

The spelling of 2389469 in words is "two million, three hundred eighty-nine thousand, four hundred sixty-nine".