2358978406 has 4 divisors (see below), whose sum is σ = 3538467612. Its totient is φ = 1179489202.

The previous prime is 2358978403. The next prime is 2358978467. The reversal of 2358978406 is 6048798532.

2358978406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2358978403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589744600 + ... + 589744603.

It is an arithmetic number, because the mean of its divisors is an integer number (884616903).

Almost surely, 2^2358978406 is an apocalyptic number.

2358978406 is a deficient number, since it is larger than the sum of its proper divisors (1179489206).

2358978406 is a wasteful number, since it uses less digits than its factorization.

2358978406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179489205.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 2358978406 is about 48569.3154779847. The cubic root of 2358978406 is about 1331.1939089976.

The spelling of 2358978406 in words is "two billion, three hundred fifty-eight million, nine hundred seventy-eight thousand, four hundred six".