4178920 has 16 divisors (see below), whose sum is σ = 9402660. Its totient is φ = 1671552.

The previous prime is 4178903. The next prime is 4178959. The reversal of 4178920 is 298714.

It can be written as a sum of positive squares in 2 ways, for example, as 3849444 + 329476 = 1962^2 + 574^2 .

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, 52197 + ... + 52276.

Almost surely, 2^4178920 is an apocalyptic number.

4178920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4178920 is an abundant number, since it is smaller than the sum of its proper divisors (5223740).

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

4178920 is a wasteful number, since it uses less digits than its factorization.

4178920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104484 (or 104480 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4178920 is about 2044.2406903298. The cubic root of 4178920 is about 161.0724825697.

It can be divided in two parts, 41 and 78920, that added together give a square (78961 = 281²).

The spelling of 4178920 in words is "four million, one hundred seventy-eight thousand, nine hundred twenty".