290042246 has 8 divisors (see below), whose sum is σ = 468529824. Its totient is φ = 133865640.

The previous prime is 290042243. The next prime is 290042261. The reversal of 290042246 is 642240092.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290042243) 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, 5577710 + ... + 5577761.

It is an arithmetic number, because the mean of its divisors is an integer number (58566228).

Almost surely, 2^290042246 is an apocalyptic number.

290042246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

290042246 is a deficient number, since it is larger than the sum of its proper divisors (178487578).

290042246 is a wasteful number, since it uses less digits than its factorization.

290042246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155486.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 290042246 is about 17030.6267060258. The cubic root of 290042246 is about 661.9427347075.

The spelling of 290042246 in words is "two hundred ninety million, forty-two thousand, two hundred forty-six".