4097780 has 24 divisors (see below), whose sum is σ = 8645280. Its totient is φ = 1631520.

The previous prime is 4097777. The next prime is 4097783. The reversal of 4097780 is 877904.

It is an interprime number because it is at equal distance from previous prime (4097777) and next prime (4097783).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4097780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4097783) 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 7 ways as a sum of consecutive naturals, for example, 6311 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (360220).

Almost surely, 2^4097780 is an apocalyptic number.

It is an amenable number.

4097780 is an abundant number, since it is smaller than the sum of its proper divisors (4547500).

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

4097780 is a wasteful number, since it uses less digits than its factorization.

4097780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 4097780 is about 2024.2974089792. The cubic root of 4097780 is about 160.0231737268.

The spelling of 4097780 in words is "four million, ninety-seven thousand, seven hundred eighty".