690009039 has 24 divisors (see below), whose sum is σ = 1101196512. Its totient is φ = 414120960.

The previous prime is 690009029. The next prime is 690009091. The reversal of 690009039 is 930900096.

690009039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690009039 - 2⁷ = 690008911 is a prime.

It is a super-2 number, since 2×690009039² = 952224947803407042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 690008994 and 690009012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690009029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94522 + ... + 101559.

It is an arithmetic number, because the mean of its divisors is an integer number (45883188).

Almost surely, 2^690009039 is an apocalyptic number.

690009039 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

690009039 is a deficient number, since it is larger than the sum of its proper divisors (411187473).

690009039 is a wasteful number, since it uses less digits than its factorization.

690009039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196127 (or 196124 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 690009039 is about 26268.0231269884. The cubic root of 690009039 is about 883.6594508529.

The spelling of 690009039 in words is "six hundred ninety million, nine thousand, thirty-nine".