3213400432 has 40 divisors (see below), whose sum is σ = 6885028080. Its totient is φ = 1440622080.

The previous prime is 3213400429. The next prime is 3213400439. The reversal of 3213400432 is 2340043123.

It is a happy number.

3213400432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213400439) 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, 112207 + ... + 137902.

It is an arithmetic number, because the mean of its divisors is an integer number (172125702).

Almost surely, 2^3213400432 is an apocalyptic number.

It is an amenable number.

3213400432 is an abundant number, since it is smaller than the sum of its proper divisors (3671627648).

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

3213400432 is a wasteful number, since it uses less digits than its factorization.

3213400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250201 (or 250195 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3213400432 is about 56686.8629578318. The cubic root of 3213400432 is about 1475.6667187176. Note that the first 3 decimals are identical.

Adding to 3213400432 its reverse (2340043123), we get a palindrome (5553443555).

The spelling of 3213400432 in words is "three billion, two hundred thirteen million, four hundred thousand, four hundred thirty-two".