3920905458 has 18 divisors (see below), whose sum is σ = 8495870799. Its totient is φ = 1306879932.

The previous prime is 3920905447. The next prime is 3920905489. The reversal of 3920905458 is 8545090293.

3920905458 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1960452729 + 1960452729 = 44277^2 + 44277^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44277.

It is a super-2 number, since 2×3920905458² = 30746999221148379528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 258283 + ... + 273041.

Almost surely, 2^3920905458 is an apocalyptic number.

3920905458 is an abundant number, since it is smaller than the sum of its proper divisors (4574965341).

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

3920905458 is an frugal number, since it uses more digits than its factorization.

3920905458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29526 (or 14764 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 3920905458 is about 62617.1339011935. The cubic root of 3920905458 is about 1576.8684244837.

The spelling of 3920905458 in words is "three billion, nine hundred twenty million, nine hundred five thousand, four hundred fifty-eight".