3954346143 has 32 divisors (see below), whose sum is σ = 5951232000. Its totient is φ = 2313830400.

The previous prime is 3954346141. The next prime is 3954346157. The reversal of 3954346143 is 3416434593.

It is not a de Polignac number, because 3954346143 - 2¹ = 3954346141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3954346095 and 3954346104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954346141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455023 + ... + 463631.

It is an arithmetic number, because the mean of its divisors is an integer number (185976000).

Almost surely, 2^3954346143 is an apocalyptic number.

3954346143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3954346143 is a deficient number, since it is larger than the sum of its proper divisors (1996885857).

3954346143 is a wasteful number, since it uses less digits than its factorization.

3954346143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103.

The product of its digits is 466560, while the sum is 42.

The square root of 3954346143 is about 62883.5920014116. The cubic root of 3954346143 is about 1581.3386805280.

The spelling of 3954346143 in words is "three billion, nine hundred fifty-four million, three hundred forty-six thousand, one hundred forty-three".