3896512493 has 4 divisors (see below), whose sum is σ = 3896821248. Its totient is φ = 3896203740.

The previous prime is 3896512453. The next prime is 3896512517. The reversal of 3896512493 is 3942156983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3942156983 = 1093 ⋅3606731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3896512493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896512423) 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, 134603 + ... + 160968.

It is an arithmetic number, because the mean of its divisors is an integer number (974205312).

Almost surely, 2^3896512493 is an apocalyptic number.

It is an amenable number.

3896512493 is a deficient number, since it is larger than the sum of its proper divisors (308755).

3896512493 is a wasteful number, since it uses less digits than its factorization.

3896512493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308754.

The product of its digits is 1399680, while the sum is 50.

The square root of 3896512493 is about 62422.0513360463. The cubic root of 3896512493 is about 1573.5915845298.

The spelling of 3896512493 in words is "three billion, eight hundred ninety-six million, five hundred twelve thousand, four hundred ninety-three".