3871098 has 128 divisors (see below), whose sum is σ = 11520000. Its totient is φ = 952560.

The previous prime is 3871081. The next prime is 3871103. The reversal of 3871098 is 8901783.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203733 + ... + 203751.

It is an arithmetic number, because the mean of its divisors is an integer number (90000).

Almost surely, 2^3871098 is an apocalyptic number.

3871098 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5760000).

3871098 is an abundant number, since it is smaller than the sum of its proper divisors (7648902).

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

3871098 is a wasteful number, since it uses less digits than its factorization.

3871098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 3871098 is about 1967.5106098824. The cubic root of 3871098 is about 157.0162937638.

It can be divided in two parts, 387 and 1098, that added together give a triangular number (1485 = T₅₄).

The spelling of 3871098 in words is "three million, eight hundred seventy-one thousand, ninety-eight".