3954532890 has 192 divisors, whose sum is σ = 12551454720. Its totient is φ = 778377600.

The previous prime is 3954532847. The next prime is 3954532913. The reversal of 3954532890 is 982354593.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 478695 + ... + 486885.

It is an arithmetic number, because the mean of its divisors is an integer number (65372160).

Almost surely, 2^3954532890 is an apocalyptic number.

3954532890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3954532890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6275727360).

3954532890 is an abundant number, since it is smaller than the sum of its proper divisors (8596921830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3954532890 is a wasteful number, since it uses less digits than its factorization.

3954532890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 3954532890 is about 62885.0768465778. The cubic root of 3954532890 is about 1581.3635734429.

The spelling of 3954532890 in words is "three billion, nine hundred fifty-four million, five hundred thirty-two thousand, eight hundred ninety".