290406932 has 12 divisors (see below), whose sum is σ = 521947860. Its totient is φ = 141278976.

The previous prime is 290406931. The next prime is 290406953. The reversal of 290406932 is 239604092.

It can be written as a sum of positive squares in 2 ways, for example, as 279090436 + 11316496 = 16706^2 + 3364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 290406892 and 290406901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290406931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980957 + ... + 981252.

It is an arithmetic number, because the mean of its divisors is an integer number (43495655).

Almost surely, 2^290406932 is an apocalyptic number.

It is an amenable number.

290406932 is a deficient number, since it is larger than the sum of its proper divisors (231540928).

290406932 is a wasteful number, since it uses less digits than its factorization.

290406932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962250 (or 1962248 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 290406932 is about 17041.3301124061. The cubic root of 290406932 is about 662.2200507956.

The spelling of 290406932 in words is "two hundred ninety million, four hundred six thousand, nine hundred thirty-two".