3547001428 has 12 divisors (see below), whose sum is σ = 6235089280. Its totient is φ = 1765547352.

The previous prime is 3547001413. The next prime is 3547001441. The reversal of 3547001428 is 8241007453.

It is a junction number, because it is equal to n+sod(n) for n = 3547001393 and 3547001402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987338 + ... + 1989121.

Almost surely, 2^3547001428 is an apocalyptic number.

It is an amenable number.

3547001428 is a deficient number, since it is larger than the sum of its proper divisors (2688087852).

3547001428 is a wasteful number, since it uses less digits than its factorization.

3547001428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976686 (or 3976684 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 3547001428 is about 59556.7076658876. The cubic root of 3547001428 is about 1525.0606698787.

The spelling of 3547001428 in words is "three billion, five hundred forty-seven million, one thousand, four hundred twenty-eight".