3363721428 has 24 divisors (see below), whose sum is σ = 7850793888. Its totient is φ = 1120938976.

The previous prime is 3363721423. The next prime is 3363721429. The reversal of 3363721428 is 8241273633.

It is a super-2 number, since 2×3363721428² = 22629243690372718368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3363721421) 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, 11350 + ... + 82802.

It is an arithmetic number, because the mean of its divisors is an integer number (327116412).

Almost surely, 2^3363721428 is an apocalyptic number.

It is an amenable number.

3363721428 is an abundant number, since it is smaller than the sum of its proper divisors (4487072460).

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

3363721428 is a wasteful number, since it uses less digits than its factorization.

3363721428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75383 (or 75381 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 3363721428 is about 57997.5984675228. The cubic root of 3363721428 is about 1498.3272357110.

The spelling of 3363721428 in words is "three billion, three hundred sixty-three million, seven hundred twenty-one thousand, four hundred twenty-eight".