3967142399 has 8 divisors (see below), whose sum is σ = 4329838800. Its totient is φ = 3604787200.

The previous prime is 3967142369. The next prime is 3967142401. The reversal of 3967142399 is 9932417693.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3967142399 - 2²⁸ = 3698706943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3967142399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967142339) 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, 60674 + ... + 107775.

It is an arithmetic number, because the mean of its divisors is an integer number (541229850).

Almost surely, 2^3967142399 is an apocalyptic number.

3967142399 is a deficient number, since it is larger than the sum of its proper divisors (362696401).

3967142399 is a wasteful number, since it uses less digits than its factorization.

3967142399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170601.

The product of its digits is 2204496, while the sum is 53.

The square root of 3967142399 is about 62985.2554095004. The cubic root of 3967142399 is about 1583.0425801502.

The spelling of 3967142399 in words is "three billion, nine hundred sixty-seven million, one hundred forty-two thousand, three hundred ninety-nine".