3822978 has 8 divisors (see below), whose sum is σ = 7645968. Its totient is φ = 1274324.

The previous prime is 3822967. The next prime is 3823007. The reversal of 3822978 is 8792283.

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

3822978 is an admirable number.

It is a plaindrome in base 12.

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, 318576 + ... + 318587.

It is an arithmetic number, because the mean of its divisors is an integer number (955746).

Almost surely, 2^3822978 is an apocalyptic number.

3822978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3822978 is a wasteful number, since it uses less digits than its factorization.

3822978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637168.

The product of its digits is 48384, while the sum is 39.

The square root of 3822978 is about 1955.2437188238. The cubic root of 3822978 is about 156.3629779173.

The spelling of 3822978 in words is "three million, eight hundred twenty-two thousand, nine hundred seventy-eight".