628372546 has 8 divisors (see below), whose sum is σ = 942744780. Its totient is φ = 314124288.

The previous prime is 628372543. The next prime is 628372637. The reversal of 628372546 is 645273826.

It can be written as a sum of positive squares in 2 ways, for example, as 619462321 + 8910225 = 24889^2 + 2985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (628372543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17071 + ... + 39346.

Almost surely, 2^628372546 is an apocalyptic number.

628372546 is a deficient number, since it is larger than the sum of its proper divisors (314372234).

628372546 is a wasteful number, since it uses less digits than its factorization.

628372546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61988.

The product of its digits is 483840, while the sum is 43.

The square root of 628372546 is about 25067.3601721442. The cubic root of 628372546 is about 856.5230748107.

The spelling of 628372546 in words is "six hundred twenty-eight million, three hundred seventy-two thousand, five hundred forty-six".