3123869838 has 32 divisors (see below), whose sum is σ = 6655824000. Its totient is φ = 974596896.

The previous prime is 3123869813. The next prime is 3123869851. The reversal of 3123869838 is 8389683213.

3123869838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3123869838² = 19517125529532292488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155613 + ... + 174536.

It is an arithmetic number, because the mean of its divisors is an integer number (207994500).

Almost surely, 2^3123869838 is an apocalyptic number.

3123869838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3123869838 is an abundant number, since it is smaller than the sum of its proper divisors (3531954162).

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

3123869838 is a wasteful number, since it uses less digits than its factorization.

3123869838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330256.

The product of its digits is 1492992, while the sum is 51.

The square root of 3123869838 is about 55891.5900471618. The cubic root of 3123869838 is about 1461.8326017897.

The spelling of 3123869838 in words is "three billion, one hundred twenty-three million, eight hundred sixty-nine thousand, eight hundred thirty-eight".