4461978 has 32 divisors (see below), whose sum is σ = 9302400. Its totient is φ = 1425600.

The previous prime is 4461971. The next prime is 4462009. The reversal of 4461978 is 8791644.

It is a happy number.

It is a super-3 number, since 3×4461978³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4461971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22323 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (290700).

Almost surely, 2^4461978 is an apocalyptic number.

4461978 is an abundant number, since it is smaller than the sum of its proper divisors (4840422).

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

4461978 is a wasteful number, since it uses less digits than its factorization.

4461978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 48384, while the sum is 39.

The square root of 4461978 is about 2112.3394613556. The cubic root of 4461978 is about 164.6300619260.

The spelling of 4461978 in words is "four million, four hundred sixty-one thousand, nine hundred seventy-eight".