290670034 has 4 divisors (see below), whose sum is σ = 436005054. Its totient is φ = 145335016.

The previous prime is 290670031. The next prime is 290670041. The reversal of 290670034 is 430076092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 280462009 + 10208025 = 16747^2 + 3195^2 .

It is a super-2 number, since 2×290670034² = 168978137331122312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 290669978 and 290670005.

It is not an unprimeable number, because it can be changed into a prime (290670031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72667507 + ... + 72667510.

Almost surely, 2^290670034 is an apocalyptic number.

290670034 is a deficient number, since it is larger than the sum of its proper divisors (145335020).

290670034 is a wasteful number, since it uses less digits than its factorization.

290670034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145335019.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 290670034 is about 17049.0478913047. The cubic root of 290670034 is about 662.4199758094.

The spelling of 290670034 in words is "two hundred ninety million, six hundred seventy thousand, thirty-four".