1628790230 has 16 divisors (see below), whose sum is σ = 3104282880. Its totient is φ = 613191552.

The previous prime is 1628790227. The next prime is 1628790269. The reversal of 1628790230 is 320978261.

It is a super-3 number, since 3×1628790230³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790390 + ... + 4790729.

It is an arithmetic number, because the mean of its divisors is an integer number (194017680).

Almost surely, 2^1628790230 is an apocalyptic number.

1628790230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1628790230 is a deficient number, since it is larger than the sum of its proper divisors (1475492650).

1628790230 is a wasteful number, since it uses less digits than its factorization.

1628790230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581143.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1628790230 is about 40358.2733773386. The cubic root of 1628790230 is about 1176.5806955765.

The spelling of 1628790230 in words is "one billion, six hundred twenty-eight million, seven hundred ninety thousand, two hundred thirty".