690034838 has 8 divisors (see below), whose sum is σ = 1060297560. Its totient is φ = 336602320.

The previous prime is 690034823. The next prime is 690034841. The reversal of 690034838 is 838430096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×690034838² = 952296155307372488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 690034795 and 690034804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4207448 + ... + 4207611.

It is an arithmetic number, because the mean of its divisors is an integer number (132537195).

Almost surely, 2^690034838 is an apocalyptic number.

690034838 is a deficient number, since it is larger than the sum of its proper divisors (370262722).

690034838 is a wasteful number, since it uses less digits than its factorization.

690034838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415102.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 690034838 is about 26268.5141947541. The cubic root of 690034838 is about 883.6704638710.

The spelling of 690034838 in words is "six hundred ninety million, thirty-four thousand, eight hundred thirty-eight".