2978846 has 8 divisors (see below), whose sum is σ = 4812024. Its totient is φ = 1374840.

The previous prime is 2978819. The next prime is 2978869. The reversal of 2978846 is 6488792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2978797 and 2978806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57260 + ... + 57311.

It is an arithmetic number, because the mean of its divisors is an integer number (601503).

2^2978846 is an apocalyptic number.

2978846 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2978846 is a deficient number, since it is larger than the sum of its proper divisors (1833178).

2978846 is a wasteful number, since it uses less digits than its factorization.

2978846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114586.

The product of its digits is 193536, while the sum is 44.

The square root of 2978846 is about 1725.9333706722. The cubic root of 2978846 is about 143.8851643620.

It can be divided in two parts, 297 and 8846, that multiplied together give a palindrome (2627262).

The spelling of 2978846 in words is "two million, nine hundred seventy-eight thousand, eight hundred forty-six".