290012494 has 8 divisors (see below), whose sum is σ = 442392120. Its totient is φ = 142548456.

The previous prime is 290012491. The next prime is 290012507. The reversal of 290012494 is 494210092.

It is a happy number.

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

It is a super-2 number, since 2×290012494² = 168214493352200072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290012491) 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, 1228749 + ... + 1228984.

It is an arithmetic number, because the mean of its divisors is an integer number (55299015).

Almost surely, 2^290012494 is an apocalyptic number.

290012494 is a deficient number, since it is larger than the sum of its proper divisors (152379626).

290012494 is a wasteful number, since it uses less digits than its factorization.

290012494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457794.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 290012494 is about 17029.7531984465. The cubic root of 290012494 is about 661.9201003109.

The spelling of 290012494 in words is "two hundred ninety million, twelve thousand, four hundred ninety-four".