3894364451 has 4 divisors (see below), whose sum is σ = 3894803400. Its totient is φ = 3893925504.

The previous prime is 3894364427. The next prime is 3894364457. The reversal of 3894364451 is 1544634983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1544634983 = 449 ⋅3440167.

It is a cyclic number.

It is not a de Polignac number, because 3894364451 - 2⁶ = 3894364387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3894364396 and 3894364405.

It is not an unprimeable number, because it can be changed into a prime (3894364457) 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, 205886 + ... + 224003.

It is an arithmetic number, because the mean of its divisors is an integer number (973700850).

Almost surely, 2^3894364451 is an apocalyptic number.

3894364451 is a deficient number, since it is larger than the sum of its proper divisors (438949).

3894364451 is an equidigital number, since it uses as much as digits as its factorization.

3894364451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438948.

The product of its digits is 1244160, while the sum is 47.

The square root of 3894364451 is about 62404.8431694208. The cubic root of 3894364451 is about 1573.3023718781.

The spelling of 3894364451 in words is "three billion, eight hundred ninety-four million, three hundred sixty-four thousand, four hundred fifty-one".