3551397028 has 24 divisors (see below), whose sum is σ = 6294657600. Its totient is φ = 1752956640.

The previous prime is 3551397007. The next prime is 3551397029. The reversal of 3551397028 is 8207931553.

It is a super-2 number, since 2×3551397028² = 25224841700974465568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551397029) 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, 534873 + ... + 541471.

It is an arithmetic number, because the mean of its divisors is an integer number (262277400).

Almost surely, 2^3551397028 is an apocalyptic number.

It is an amenable number.

3551397028 is a deficient number, since it is larger than the sum of its proper divisors (2743260572).

3551397028 is a wasteful number, since it uses less digits than its factorization.

3551397028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307 (or 8305 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 3551397028 is about 59593.5988844440. The cubic root of 3551397028 is about 1525.6903838881.

The spelling of 3551397028 in words is "three billion, five hundred fifty-one million, three hundred ninety-seven thousand, twenty-eight".