290423996 has 12 divisors (see below), whose sum is σ = 524637120. Its totient is φ = 140527680.

The previous prime is 290423993. The next prime is 290424011. The reversal of 290423996 is 699324092.

290423996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290423993) 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, 1170941 + ... + 1171188.

It is an arithmetic number, because the mean of its divisors is an integer number (43719760).

Almost surely, 2^290423996 is an apocalyptic number.

It is an amenable number.

290423996 is a deficient number, since it is larger than the sum of its proper divisors (234213124).

290423996 is a wasteful number, since it uses less digits than its factorization.

290423996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342164 (or 2342162 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 290423996 is about 17041.8307701960. The cubic root of 290423996 is about 662.2330209883.

The spelling of 290423996 in words is "two hundred ninety million, four hundred twenty-three thousand, nine hundred ninety-six".