690019038 has 24 divisors (see below), whose sum is σ = 1516100976. Its totient is φ = 226766400.

The previous prime is 690019037. The next prime is 690019039. The reversal of 690019038 is 830910096.

690019038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (690019037) and next prime (690019039).

It is a super-2 number, since 2×690019038² = 952252545604890888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 690018993 and 690019011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690019037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268683 + ... + 271238.

It is an arithmetic number, because the mean of its divisors is an integer number (63170874).

Almost surely, 2^690019038 is an apocalyptic number.

690019038 is an abundant number, since it is smaller than the sum of its proper divisors (826081938).

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

690019038 is a wasteful number, since it uses less digits than its factorization.

690019038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540000 (or 539997 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 690019038 is about 26268.2134527645. The cubic root of 690019038 is about 883.6637192357.

The spelling of 690019038 in words is "six hundred ninety million, nineteen thousand, thirty-eight".