607661628 has 48 divisors (see below), whose sum is σ = 1672710144. Its totient is φ = 168016320.

The previous prime is 607661627. The next prime is 607661683. The reversal of 607661628 is 826166706.

It is a happy number.

It is a super-2 number, since 2×607661628² = 738505308287220768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 607661628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607661623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114075 + ... + 119282.

It is an arithmetic number, because the mean of its divisors is an integer number (34848128).

Almost surely, 2^607661628 is an apocalyptic number.

It is an amenable number.

607661628 is an abundant number, since it is smaller than the sum of its proper divisors (1065048516).

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

607661628 is a wasteful number, since it uses less digits than its factorization.

607661628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233402 (or 233400 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 607661628 is about 24650.7936586228. The cubic root of 607661628 is about 847.0075293433.

The spelling of 607661628 in words is "six hundred seven million, six hundred sixty-one thousand, six hundred twenty-eight".