3261420 has 36 divisors (see below), whose sum is σ = 9893520. Its totient is φ = 869664.

The previous prime is 3261413. The next prime is 3261437. The reversal of 3261420 is 241623.

It is a happy number.

3261420 is a `hidden beast` number, since 32 + 614 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 3261393 and 3261402.

It is a congruent number.

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, 8880 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (274820).

Almost surely, 2^3261420 is an apocalyptic number.

3261420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3261420 is an abundant number, since it is smaller than the sum of its proper divisors (6632100).

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

3261420 is a wasteful number, since it uses less digits than its factorization.

3261420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18134 (or 18129 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3261420 is about 1805.9401983454. The cubic root of 3261420 is about 148.2980965271.

The spelling of 3261420 in words is "three million, two hundred sixty-one thousand, four hundred twenty".