4062978 has 12 divisors (see below), whose sum is σ = 8803158. Its totient is φ = 1354320.

The previous prime is 4062967. The next prime is 4062991. The reversal of 4062978 is 8792604.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 154449 = 1977^2 + 393^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112843 + ... + 112878.

Almost surely, 2^4062978 is an apocalyptic number.

4062978 is an abundant number, since it is smaller than the sum of its proper divisors (4740180).

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

4062978 is a wasteful number, since it uses less digits than its factorization.

4062978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225729 (or 225726 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4062978 is about 2015.6830107931. The cubic root of 4062978 is about 159.5688653534.

The spelling of 4062978 in words is "four million, sixty-two thousand, nine hundred seventy-eight".