3285273420 has 432 divisors, whose sum is σ = 12126625056. Its totient is φ = 714700800.

The previous prime is 3285273389. The next prime is 3285273421. The reversal of 3285273420 is 243725823.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3285273421) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11608599 + ... + 11608881.

Almost surely, 2^3285273420 is an apocalyptic number.

3285273420 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 3285273420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6063312528).

3285273420 is an abundant number, since it is smaller than the sum of its proper divisors (8841351636).

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

3285273420 is a wasteful number, since it uses less digits than its factorization.

3285273420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 3285273420 is about 57317.3047168131. The cubic root of 3285273420 is about 1486.5876025126.

The spelling of 3285273420 in words is "three billion, two hundred eighty-five million, two hundred seventy-three thousand, four hundred twenty".