3321421400 has 48 divisors (see below), whose sum is σ = 8424338040. Its totient is φ = 1207788800.

The previous prime is 3321421387. The next prime is 3321421403. The reversal of 3321421400 is 41241233.

It is a super-2 number, since 2×3321421400² = 22063680232755920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321421403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752669 + ... + 757068.

Almost surely, 2^3321421400 is an apocalyptic number.

It is an amenable number.

3321421400 is an abundant number, since it is smaller than the sum of its proper divisors (5102916640).

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

3321421400 is a wasteful number, since it uses less digits than its factorization.

3321421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509764 (or 1509755 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3321421400 is about 57631.7742222118. The cubic root of 3321421400 is about 1492.0200518644.

Adding to 3321421400 its reverse (41241233), we get a palindrome (3362662633).

The spelling of 3321421400 in words is "three billion, three hundred twenty-one million, four hundred twenty-one thousand, four hundred".