3291420 has 48 divisors (see below), whose sum is σ = 10055808. Its totient is φ = 797760.

The previous prime is 3291401. The next prime is 3291437. The reversal of 3291420 is 241923.

It is a congruent number.

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, 1834 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (209496).

Almost surely, 2^3291420 is an apocalyptic number.

3291420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3291420 is an abundant number, since it is smaller than the sum of its proper divisors (6764388).

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

3291420 is a wasteful number, since it uses less digits than its factorization.

3291420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3291420 is about 1814.2271081648. The cubic root of 3291420 is about 148.7514134931.

The spelling of 3291420 in words is "three million, two hundred ninety-one thousand, four hundred twenty".