290032401 has 16 divisors (see below), whose sum is σ = 396684288. Its totient is φ = 188380800.

The previous prime is 290032367. The next prime is 290032411. The reversal of 290032401 is 104230092.

It is not a de Polignac number, because 290032401 - 2¹⁰ = 290031377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290032411) 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 15 ways as a sum of consecutive naturals, for example, 136336 + ... + 138446.

It is an arithmetic number, because the mean of its divisors is an integer number (24792768).

Almost surely, 2^290032401 is an apocalyptic number.

It is an amenable number.

290032401 is a deficient number, since it is larger than the sum of its proper divisors (106651887).

290032401 is a wasteful number, since it uses less digits than its factorization.

290032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 290032401 is about 17030.3376654722. The cubic root of 290032401 is about 661.9352451090.

Adding to 290032401 its reverse (104230092), we get a palindrome (394262493).

The spelling of 290032401 in words is "two hundred ninety million, thirty-two thousand, four hundred one".