3401988 has 48 divisors (see below), whose sum is σ = 8574720. Its totient is φ = 1046304.

The previous prime is 3401963. The next prime is 3402013. The reversal of 3401988 is 8891043.

It is an interprime number because it is at equal distance from previous prime (3401963) and next prime (3402013).

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, 9631 + ... + 9977.

It is an arithmetic number, because the mean of its divisors is an integer number (178640).

Almost surely, 2^3401988 is an apocalyptic number.

3401988 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3401988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4287360).

3401988 is an abundant number, since it is smaller than the sum of its proper divisors (5172732).

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

3401988 is a wasteful number, since it uses less digits than its factorization.

3401988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 3401988 is about 1844.4478848696. The cubic root of 3401988 is about 150.3987612128.

The spelling of 3401988 in words is "three million, four hundred one thousand, nine hundred eighty-eight".