3401280 has 84 divisors (see below), whose sum is σ = 11708892. Its totient is φ = 906240.

The previous prime is 3401273. The next prime is 3401297. The reversal of 3401280 is 821043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 1115136 = 1512^2 + 1056^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2290 + ... + 3470.

Almost surely, 2^3401280 is an apocalyptic number.

3401280 is a gapful number since it is divisible by the number (30) 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 3401280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5854446).

3401280 is an abundant number, since it is smaller than the sum of its proper divisors (8307612).

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

3401280 is a wasteful number, since it uses less digits than its factorization.

3401280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3401280 is about 1844.2559475301. The cubic root of 3401280 is about 150.3883271460.

The spelling of 3401280 in words is "three million, four hundred one thousand, two hundred eighty".