3960784197 has 8 divisors (see below), whose sum is σ = 5867828480. Its totient is φ = 2640522780.

The previous prime is 3960784189. The next prime is 3960784199. The reversal of 3960784197 is 7914870693.

It is a happy number.

It is not a de Polignac number, because 3960784197 - 2³ = 3960784189 is a prime.

It is a super-2 number, since 2×3960784197² = 31375622910409869618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960784199) 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, 73347829 + ... + 73347882.

It is an arithmetic number, because the mean of its divisors is an integer number (733478560).

Almost surely, 2^3960784197 is an apocalyptic number.

It is an amenable number.

3960784197 is a deficient number, since it is larger than the sum of its proper divisors (1907044283).

3960784197 is a wasteful number, since it uses less digits than its factorization.

3960784197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146695720 (or 146695714 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 3960784197 is about 62934.7614359505. The cubic root of 3960784197 is about 1582.1964054520.

The spelling of 3960784197 in words is "three billion, nine hundred sixty million, seven hundred eighty-four thousand, one hundred ninety-seven".