3897404169 has 8 divisors (see below), whose sum is σ = 5201229120. Its totient is φ = 2595924336.

The previous prime is 3897404167. The next prime is 3897404197. The reversal of 3897404169 is 9614047983.

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

It is not a de Polignac number, because 3897404169 - 2¹ = 3897404167 is a prime.

It is a super-2 number, since 2×3897404169² = 30379518513077161122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3897404167) 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, 582397 + ... + 589050.

It is an arithmetic number, because the mean of its divisors is an integer number (650153640).

Almost surely, 2^3897404169 is an apocalyptic number.

It is an amenable number.

3897404169 is a deficient number, since it is larger than the sum of its proper divisors (1303824951).

3897404169 is a wasteful number, since it uses less digits than its factorization.

3897404169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172559.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 3897404169 is about 62429.1932432256. The cubic root of 3897404169 is about 1573.7116086826.

The spelling of 3897404169 in words is "three billion, eight hundred ninety-seven million, four hundred four thousand, one hundred sixty-nine".