3967362169 has 3 divisors (see below), whose sum is σ = 3967425157. Its totient is φ = 3967299182.

The previous prime is 3967362163. The next prime is 3967362209. The reversal of 3967362169 is 9612637693.

The square root of 3967362169 is 62987.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9612637693 = 881 ⋅10911053.

It is not a de Polignac number, because 3967362169 - 2⁷ = 3967362041 is a prime.

It is a super-2 number, since 2×3967362169² = 31479925160024769122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3967362163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31494 + ... + 94480.

Almost surely, 2^3967362169 is an apocalyptic number.

3967362169 is the 62987-th square number.

3967362169 is the 31494-th centered octagonal number.

It is an amenable number.

3967362169 is a deficient number, since it is larger than the sum of its proper divisors (62988).

3967362169 is an frugal number, since it uses more digits than its factorization.

3967362169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125974 (or 62987 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The cubic root of 3967362169 is about 1583.0718118413.

The spelling of 3967362169 in words is "three billion, nine hundred sixty-seven million, three hundred sixty-two thousand, one hundred sixty-nine".