3899478067 has 4 divisors (see below), whose sum is σ = 3901352200. Its totient is φ = 3897603936.

The previous prime is 3899478049. The next prime is 3899478101. The reversal of 3899478067 is 7608749983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7608749983 = 5557 ⋅1369219.

It is a cyclic number.

It is not a de Polignac number, because 3899478067 - 2²³ = 3891089459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3899477996 and 3899478014.

It is not an unprimeable number, because it can be changed into a prime (3899478047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933942 + ... + 938107.

It is an arithmetic number, because the mean of its divisors is an integer number (975338050).

Almost surely, 2^3899478067 is an apocalyptic number.

3899478067 is a deficient number, since it is larger than the sum of its proper divisors (1874133).

3899478067 is a wasteful number, since it uses less digits than its factorization.

3899478067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874132.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The square root of 3899478067 is about 62445.8010357782. The cubic root of 3899478067 is about 1573.9906951794.

The spelling of 3899478067 in words is "three billion, eight hundred ninety-nine million, four hundred seventy-eight thousand, sixty-seven".