690085030 has 16 divisors (see below), whose sum is σ = 1244049840. Its totient is φ = 275612512.

The previous prime is 690085021. The next prime is 690085061. The reversal of 690085030 is 30580096.

It is a junction number, because it is equal to n+sod(n) for n = 690084983 and 690085001.

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, 45769 + ... + 58948.

It is an arithmetic number, because the mean of its divisors is an integer number (77753115).

Almost surely, 2^690085030 is an apocalyptic number.

690085030 is a deficient number, since it is larger than the sum of its proper divisors (553964810).

690085030 is a wasteful number, since it uses less digits than its factorization.

690085030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105383.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 690085030 is about 26269.4695416561. The cubic root of 690085030 is about 883.6918889306.

The spelling of 690085030 in words is "six hundred ninety million, eighty-five thousand, thirty".