2356398 has 32 divisors (see below), whose sum is σ = 5713920. Its totient is φ = 713880.

The previous prime is 2356397. The next prime is 2356411. The reversal of 2356398 is 8936532.

2356398 is a `hidden beast` number, since 2 + 3 + 563 + 98 = 666.

It is a super-3 number, since 3×2356398³ = 39252488143339550376, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2356391) 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 15 ways as a sum of consecutive naturals, for example, 1390 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

2^2356398 is an apocalyptic number.

2356398 is an abundant number, since it is smaller than the sum of its proper divisors (3357522).

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

2356398 is a wasteful number, since it uses less digits than its factorization.

2356398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 3983 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2356398 is about 1535.0563507572. The cubic root of 2356398 is about 133.0708349375.

The spelling of 2356398 in words is "two million, three hundred fifty-six thousand, three hundred ninety-eight".