290651601 has 16 divisors (see below), whose sum is σ = 424483200. Its totient is φ = 176080128.

The previous prime is 290651597. The next prime is 290651623. The reversal of 290651601 is 106156092.

It is not a de Polignac number, because 290651601 - 2² = 290651597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290651651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96781 + ... + 99738.

It is an arithmetic number, because the mean of its divisors is an integer number (26530200).

Almost surely, 2^290651601 is an apocalyptic number.

It is an amenable number.

290651601 is a deficient number, since it is larger than the sum of its proper divisors (133831599).

290651601 is a wasteful number, since it uses less digits than its factorization.

290651601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196568.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 290651601 is about 17048.5072953617. The cubic root of 290651601 is about 662.4059729378.

The spelling of 290651601 in words is "two hundred ninety million, six hundred fifty-one thousand, six hundred one".