308249201 has 8 divisors (see below), whose sum is σ = 333162984. Its totient is φ = 283507200.

The previous prime is 308249189. The next prime is 308249237. The reversal of 308249201 is 102942803.

It can be written as a sum of positive squares in 4 ways, for example, as 211600 + 308037601 = 460^2 + 17551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 308249201 - 2²² = 304054897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308249261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39200 + ... + 46401.

It is an arithmetic number, because the mean of its divisors is an integer number (41645373).

Almost surely, 2^308249201 is an apocalyptic number.

It is an amenable number.

308249201 is a deficient number, since it is larger than the sum of its proper divisors (24913783).

308249201 is a wasteful number, since it uses less digits than its factorization.

308249201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85891.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 308249201 is about 17557.0271116724. The cubic root of 308249201 is about 675.5134281171.

The spelling of 308249201 in words is "three hundred eight million, two hundred forty-nine thousand, two hundred one".