3955990954 has 8 divisors (see below), whose sum is σ = 5936314788. Its totient is φ = 1977219360.

The previous prime is 3955990939. The next prime is 3955990957. The reversal of 3955990954 is 4590995593.

It can be written as a sum of positive squares in 2 ways, for example, as 3933171225 + 22819729 = 62715^2 + 4777^2 .

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 (3955990957) 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, 381667 + ... + 391894.

Almost surely, 2^3955990954 is an apocalyptic number.

3955990954 is a deficient number, since it is larger than the sum of its proper divisors (1980323834).

3955990954 is a wasteful number, since it uses less digits than its factorization.

3955990954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776120.

The product of its (nonzero) digits is 9841500, while the sum is 58.

The square root of 3955990954 is about 62896.6688625081. The cubic root of 3955990954 is about 1581.5579028399.

The spelling of 3955990954 in words is "three billion, nine hundred fifty-five million, nine hundred ninety thousand, nine hundred fifty-four".