3948448431 has 8 divisors (see below), whose sum is σ = 5363930160. Its totient is φ = 2582632832.

The previous prime is 3948448423. The next prime is 3948448447. The reversal of 3948448431 is 1348448493.

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

It is a cyclic number.

It is not a de Polignac number, because 3948448431 - 2³ = 3948448423 is a prime.

It is a super-2 number, since 2×3948448431² = 31180490024532723522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948446431) 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, 12416346 + ... + 12416663.

It is an arithmetic number, because the mean of its divisors is an integer number (670491270).

Almost surely, 2^3948448431 is an apocalyptic number.

3948448431 is a deficient number, since it is larger than the sum of its proper divisors (1415481729).

3948448431 is a wasteful number, since it uses less digits than its factorization.

3948448431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24833065.

The product of its digits is 1327104, while the sum is 48.

The square root of 3948448431 is about 62836.6806172955. The cubic root of 3948448431 is about 1580.5521265119.

The spelling of 3948448431 in words is "three billion, nine hundred forty-eight million, four hundred forty-eight thousand, four hundred thirty-one".