2978358 has 16 divisors (see below), whose sum is σ = 6162480. Its totient is φ = 958496.

The previous prime is 2978357. The next prime is 2978377. The reversal of 2978358 is 8538792.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8385 + ... + 8732.

It is an arithmetic number, because the mean of its divisors is an integer number (385155).

2^2978358 is an apocalyptic number.

2978358 is an abundant number, since it is smaller than the sum of its proper divisors (3184122).

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

2978358 is a wasteful number, since it uses less digits than its factorization.

2978358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151.

The product of its digits is 120960, while the sum is 42.

The square root of 2978358 is about 1725.7919921010. The cubic root of 2978358 is about 143.8773067560.

It can be divided in two parts, 29 and 78358, that added together give a palindrome (78387).

The spelling of 2978358 in words is "two million, nine hundred seventy-eight thousand, three hundred fifty-eight".