3845279100 has 72 divisors (see below), whose sum is σ = 11981507440. Its totient is φ = 946529280.

The previous prime is 3845279093. The next prime is 3845279107. The reversal of 3845279100 is 19725483.

It is an interprime number because it is at equal distance from previous prime (3845279093) and next prime (3845279107).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845279107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 489085 + ... + 496884.

Almost surely, 2^3845279100 is an apocalyptic number.

3845279100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3845279100 is an abundant number, since it is smaller than the sum of its proper divisors (8136228340).

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

3845279100 is a wasteful number, since it uses less digits than its factorization.

3845279100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985999 (or 985992 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 3845279100 is about 62010.3144646114. The cubic root of 3845279100 is about 1566.6643312676.

The spelling of 3845279100 in words is "three billion, eight hundred forty-five million, two hundred seventy-nine thousand, one hundred".