3079978 has 8 divisors (see below), whose sum is σ = 5040000. Its totient is φ = 1399980.

The previous prime is 3079939. The next prime is 3079987. The reversal of 3079978 is 8799703.

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

It is an Ulam number.

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, 69978 + ... + 70021.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^3079978 is an apocalyptic number.

3079978 is a deficient number, since it is larger than the sum of its proper divisors (1960022).

3079978 is a wasteful number, since it uses less digits than its factorization.

3079978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140012.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3079978 is about 1754.9866096355. The cubic root of 3079978 is about 145.4953805566.

It can be divided in two parts, 30 and 79978, that added together give a palindrome (80008).

The spelling of 3079978 in words is "three million, seventy-nine thousand, nine hundred seventy-eight".