3921532994 has 8 divisors (see below), whose sum is σ = 5891393088. Its totient is φ = 1957735300.

The previous prime is 3921532943. The next prime is 3921532997. The reversal of 3921532994 is 4992351293.

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

It is not an unprimeable number, because it can be changed into a prime (3921532997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513982 + ... + 1516569.

It is an arithmetic number, because the mean of its divisors is an integer number (736424136).

Almost surely, 2^3921532994 is an apocalyptic number.

3921532994 is a deficient number, since it is larger than the sum of its proper divisors (1969860094).

3921532994 is a wasteful number, since it uses less digits than its factorization.

3921532994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031200.

The product of its digits is 524880, while the sum is 47.

The square root of 3921532994 is about 62622.1445975783. The cubic root of 3921532994 is about 1576.9525452672.

The spelling of 3921532994 in words is "three billion, nine hundred twenty-one million, five hundred thirty-two thousand, nine hundred ninety-four".