3401720 has 32 divisors (see below), whose sum is σ = 8748000. Its totient is φ = 1166208.

The previous prime is 3401711. The next prime is 3401731. The reversal of 3401720 is 271043.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5795 + ... + 6354.

It is an arithmetic number, because the mean of its divisors is an integer number (273375).

Almost surely, 2^3401720 is an apocalyptic number.

It is an amenable number.

3401720 is an abundant number, since it is smaller than the sum of its proper divisors (5346280).

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

3401720 is a wasteful number, since it uses less digits than its factorization.

3401720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12167 (or 12163 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3401720 is about 1844.3752329719. The cubic root of 3401720 is about 150.3948117646.

Adding to 3401720 its reverse (271043), we get a palindrome (3672763).

The spelling of 3401720 in words is "three million, four hundred one thousand, seven hundred twenty".