683954039 has 4 divisors (see below), whose sum is σ = 719951640. Its totient is φ = 647956440.

The previous prime is 683954027. The next prime is 683954057. The reversal of 683954039 is 930459386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930459386 = 2 ⋅465229693.

It is a cyclic number.

It is not a de Polignac number, because 683954039 - 2¹² = 683949943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 683953984 and 683954002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683954069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17998772 + ... + 17998809.

It is an arithmetic number, because the mean of its divisors is an integer number (179987910).

Almost surely, 2^683954039 is an apocalyptic number.

683954039 is a deficient number, since it is larger than the sum of its proper divisors (35997601).

683954039 is a wasteful number, since it uses less digits than its factorization.

683954039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35997600.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 683954039 is about 26152.5149651042. The cubic root of 683954039 is about 881.0670763361.

The spelling of 683954039 in words is "six hundred eighty-three million, nine hundred fifty-four thousand, thirty-nine".