290368542 has 16 divisors (see below), whose sum is σ = 581608080. Its totient is φ = 96644352.

The previous prime is 290368541. The next prime is 290368543. The reversal of 290368542 is 245863092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (290368541) and next prime (290368543).

It is a self number, because there is not a number n which added to its sum of digits gives 290368542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290368541) 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, 31917 + ... + 39992.

It is an arithmetic number, because the mean of its divisors is an integer number (36350505).

Almost surely, 2^290368542 is an apocalyptic number.

290368542 is an abundant number, since it is smaller than the sum of its proper divisors (291239538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290368542 is a wasteful number, since it uses less digits than its factorization.

290368542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72587.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 290368542 is about 17040.2036959656. The cubic root of 290368542 is about 662.1908690449.

The spelling of 290368542 in words is "two hundred ninety million, three hundred sixty-eight thousand, five hundred forty-two".