290446742 has 16 divisors (see below), whose sum is σ = 449434032. Its totient is φ = 140706720.

The previous prime is 290446733. The next prime is 290446757. The reversal of 290446742 is 247644092.

It is a junction number, because it is equal to n+sod(n) for n = 290446696 and 290446705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9593 + ... + 25940.

It is an arithmetic number, because the mean of its divisors is an integer number (28089627).

Almost surely, 2^290446742 is an apocalyptic number.

290446742 is a deficient number, since it is larger than the sum of its proper divisors (158987290).

290446742 is a wasteful number, since it uses less digits than its factorization.

290446742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35663.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 290446742 is about 17042.4981150065. The cubic root of 290446742 is about 662.2503092281.

The spelling of 290446742 in words is "two hundred ninety million, four hundred forty-six thousand, seven hundred forty-two".