2958399 has 12 divisors (see below), whose sum is σ = 4298112. Its totient is φ = 1960800.

The previous prime is 2958383. The next prime is 2958413. The reversal of 2958399 is 9938592.

It is a Cunningham number, because it is equal to 1720²-1.

It is not a de Polignac number, because 2958399 - 2⁴ = 2958383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2958359) 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, 859 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (358176).

2^2958399 is an apocalyptic number.

2958399 is a deficient number, since it is larger than the sum of its proper divisors (1339713).

2958399 is a wasteful number, since it uses less digits than its factorization.

2958399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1915 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2958399 is about 1719.9997093023. Note that the first 3 decimals coincide. The cubic root of 2958399 is about 143.5551957376. Note that the first 3 decimals are identical.

The spelling of 2958399 in words is "two million, nine hundred fifty-eight thousand, three hundred ninety-nine".