690031034 has 48 divisors (see below), whose sum is σ = 1327233600. Its totient is φ = 266031360.

The previous prime is 690031031. The next prime is 690031039. The reversal of 690031034 is 430130096.

It is a super-2 number, since 2×690031034² = 952285655766218312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 690030994 and 690031012.

It is not an unprimeable number, because it can be changed into a prime (690031031) 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, 101267 + ... + 107865.

It is an arithmetic number, because the mean of its divisors is an integer number (27650700).

Almost surely, 2^690031034 is an apocalyptic number.

690031034 is a deficient number, since it is larger than the sum of its proper divisors (637202566).

690031034 is a wasteful number, since it uses less digits than its factorization.

690031034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 690031034 is about 26268.4417885797. The cubic root of 690031034 is about 883.6688400454.

The spelling of 690031034 in words is "six hundred ninety million, thirty-one thousand, thirty-four".