3855926742 has 16 divisors (see below), whose sum is σ = 7741863792. Its totient is φ = 1280307200.

The previous prime is 3855926729. The next prime is 3855926761. The reversal of 3855926742 is 2476295583.

It is a happy number.

It is a super-3 number, since 3×3855926742³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248759 + ... + 1251842.

It is an arithmetic number, because the mean of its divisors is an integer number (483866487).

Almost surely, 2^3855926742 is an apocalyptic number.

3855926742 is an abundant number, since it is smaller than the sum of its proper divisors (3885937050).

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

3855926742 is a wasteful number, since it uses less digits than its factorization.

3855926742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500863.

The product of its digits is 3628800, while the sum is 51.

The square root of 3855926742 is about 62096.1089119117. The cubic root of 3855926742 is about 1568.1090385070.

The spelling of 3855926742 in words is "three billion, eight hundred fifty-five million, nine hundred twenty-six thousand, seven hundred forty-two".