3398890 has 36 divisors (see below), whose sum is σ = 6854022. Its totient is φ = 1212640.

The previous prime is 3398873. The next prime is 3398939. The reversal of 3398890 is 988933.

It can be written as a sum of positive squares in 3 ways, for example, as 3214849 + 184041 = 1793^2 + 429^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64104 + ... + 64156.

Almost surely, 2^3398890 is an apocalyptic number.

3398890 is an abundant number, since it is smaller than the sum of its proper divisors (3455132).

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

3398890 is a wasteful number, since it uses less digits than its factorization.

3398890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 3398890 is about 1843.6078758782. The cubic root of 3398890 is about 150.3530941041.

Multiplying 3398890 by its sum of digits (40), we get a square (135955600 = 11660²).

It can be divided in two parts, 339 and 8890, that added together give a palindrome (9229).

The spelling of 3398890 in words is "three million, three hundred ninety-eight thousand, eight hundred ninety".