4567978 has 8 divisors (see below), whose sum is σ = 6861060. Its totient is φ = 2280960.

The previous prime is 4567973. The next prime is 4567987. The reversal of 4567978 is 8797654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4397409 + 170569 = 2097^2 + 413^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4567973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008 + ... + 3628.

Almost surely, 2^4567978 is an apocalyptic number.

4567978 is a deficient number, since it is larger than the sum of its proper divisors (2293082).

4567978 is a wasteful number, since it uses less digits than its factorization.

4567978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its digits is 423360, while the sum is 46.

The square root of 4567978 is about 2137.2828544673. The cubic root of 4567978 is about 165.9235385998.

The spelling of 4567978 in words is "four million, five hundred sixty-seven thousand, nine hundred seventy-eight".