1628700034 has 32 divisors (see below), whose sum is σ = 2664846576. Its totient is φ = 742072320.

The previous prime is 1628700013. The next prime is 1628700049. The reversal of 1628700034 is 4300078261.

It can be written as a sum of positive squares in 8 ways, for example, as 1132524409 + 496175625 = 33653^2 + 22275^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1628699969 and 1628700005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666554 + ... + 1667530.

Almost surely, 2^1628700034 is an apocalyptic number.

1628700034 is a deficient number, since it is larger than the sum of its proper divisors (1036146542).

1628700034 is a wasteful number, since it uses less digits than its factorization.

1628700034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1628700034 is about 40357.1559206047. The cubic root of 1628700034 is about 1176.5589770377.

Adding to 1628700034 its reverse (4300078261), we get a palindrome (5928778295).

The spelling of 1628700034 in words is "one billion, six hundred twenty-eight million, seven hundred thousand, thirty-four".