4170978 has 36 divisors (see below), whose sum is σ = 10514790. Its totient is φ = 1191456.

The previous prime is 4170977. The next prime is 4170979. The reversal of 4170978 is 8790714.

It is an interprime number because it is at equal distance from previous prime (4170977) and next prime (4170979).

It can be written as a sum of positive squares in only one way, i.e., 4149369 + 21609 = 2037^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (4170977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1483 + ... + 3246.

Almost surely, 2^4170978 is an apocalyptic number.

4170978 is an abundant number, since it is smaller than the sum of its proper divisors (6343812).

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

4170978 is a wasteful number, since it uses less digits than its factorization.

4170978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751 (or 4741 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 4170978 is about 2042.2972359576. The cubic root of 4170978 is about 160.9703789236.

The spelling of 4170978 in words is "four million, one hundred seventy thousand, nine hundred seventy-eight".