4351980 has 24 divisors (see below), whose sum is σ = 12185712. Its totient is φ = 1160512.

The previous prime is 4351979. The next prime is 4351981. The reversal of 4351980 is 891534.

4351980 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4351979) and next prime (4351981).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4351981) 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, 36207 + ... + 36326.

It is an arithmetic number, because the mean of its divisors is an integer number (507738).

Almost surely, 2^4351980 is an apocalyptic number.

It is an amenable number.

4351980 is an abundant number, since it is smaller than the sum of its proper divisors (7833732).

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

4351980 is a wasteful number, since it uses less digits than its factorization.

4351980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72545 (or 72543 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 4351980 is about 2086.1399761282. The cubic root of 4351980 is about 163.2659539749.

It can be divided in two parts, 435 and 1980, that added together give a triangular number (2415 = T₆₉).

The spelling of 4351980 in words is "four million, three hundred fifty-one thousand, nine hundred eighty".