290497936 has 15 divisors (see below), whose sum is σ = 562971873. Its totient is φ = 145214880.

The previous prime is 290497919. The next prime is 290497939. The reversal of 290497936 is 639794092.

The square root of 290497936 is 17044.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 280763536 + 9734400 = 16756^2 + 3120^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290497936.

It is not an unprimeable number, because it can be changed into a prime (290497939) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 66046 + ... + 70306.

Almost surely, 2^290497936 is an apocalyptic number.

290497936 is the 17044-th square number.

It is an amenable number.

290497936 is a deficient number, since it is larger than the sum of its proper divisors (272473937).

290497936 is an frugal number, since it uses more digits than its factorization.

290497936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The cubic root of 290497936 is about 662.2892162469.

Multiplying 290497936 by its sum of digits (49), we get a square (14234398864 = 119308²).

The spelling of 290497936 in words is "two hundred ninety million, four hundred ninety-seven thousand, nine hundred thirty-six".