4254978 has 32 divisors (see below), whose sum is σ = 10475136. Its totient is φ = 1122048.

The previous prime is 4254961. The next prime is 4254983. The reversal of 4254978 is 8794524.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (327348).

Almost surely, 2^4254978 is an apocalyptic number.

4254978 is an abundant number, since it is smaller than the sum of its proper divisors (6220158).

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

4254978 is a wasteful number, since it uses less digits than its factorization.

4254978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818.

The product of its digits is 80640, while the sum is 39.

The square root of 4254978 is about 2062.7598018189. The cubic root of 4254978 is about 162.0438076923.

The spelling of 4254978 in words is "four million, two hundred fifty-four thousand, nine hundred seventy-eight".