290150997 has 8 divisors (see below), whose sum is σ = 387221280. Its totient is φ = 193257360.

The previous prime is 290150969. The next prime is 290150999. The reversal of 290150997 is 799051092.

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

It is not a de Polignac number, because 290150997 - 2⁸ = 290150741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290150999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40279 + ... + 46932.

It is an arithmetic number, because the mean of its divisors is an integer number (48402660).

Almost surely, 2^290150997 is an apocalyptic number.

It is an amenable number.

290150997 is a deficient number, since it is larger than the sum of its proper divisors (97070283).

290150997 is a wasteful number, since it uses less digits than its factorization.

290150997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88323.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 290150997 is about 17033.8192135528. The cubic root of 290150997 is about 662.0254559203.

The spelling of 290150997 in words is "two hundred ninety million, one hundred fifty thousand, nine hundred ninety-seven".