4605978 has 16 divisors (see below), whose sum is σ = 9920736. Its totient is φ = 1417200.

The previous prime is 4605977. The next prime is 4606001. The reversal of 4605978 is 8795064.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4605973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29448 + ... + 29603.

It is an arithmetic number, because the mean of its divisors is an integer number (620046).

Almost surely, 2^4605978 is an apocalyptic number.

4605978 is an abundant number, since it is smaller than the sum of its proper divisors (5314758).

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

4605978 is a wasteful number, since it uses less digits than its factorization.

4605978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 4605978 is about 2146.1542349048. The cubic root of 4605978 is about 166.3823624134.

The spelling of 4605978 in words is "four million, six hundred five thousand, nine hundred seventy-eight".