3213493420 has 24 divisors (see below), whose sum is σ = 6858967248. Its totient is φ = 1264324800.

The previous prime is 3213493399. The next prime is 3213493429. The reversal of 3213493420 is 243943123.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3213493429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315786 + ... + 1318225.

It is an arithmetic number, because the mean of its divisors is an integer number (285790302).

Almost surely, 2^3213493420 is an apocalyptic number.

It is an amenable number.

3213493420 is an abundant number, since it is smaller than the sum of its proper divisors (3645473828).

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

3213493420 is a wasteful number, since it uses less digits than its factorization.

3213493420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634081 (or 2634079 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 3213493420 is about 56687.6831419313. The cubic root of 3213493420 is about 1475.6809526500.

The spelling of 3213493420 in words is "three billion, two hundred thirteen million, four hundred ninety-three thousand, four hundred twenty".