307828101 has 16 divisors (see below), whose sum is σ = 493760000. Its totient is φ = 166643568.

The previous prime is 307828039. The next prime is 307828133. The reversal of 307828101 is 101828703.

It is a happy number.

It is not a de Polignac number, because 307828101 - 2¹⁴ = 307811717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307828151) 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, 385351 + ... + 386148.

It is an arithmetic number, because the mean of its divisors is an integer number (30860000).

Almost surely, 2^307828101 is an apocalyptic number.

It is an amenable number.

307828101 is a deficient number, since it is larger than the sum of its proper divisors (185931899).

307828101 is a wasteful number, since it uses less digits than its factorization.

307828101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771528.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 307828101 is about 17545.0306639800. The cubic root of 307828101 is about 675.2056810786.

It can be divided in two parts, 30782 and 8101, that added together give a palindrome (38883).

The spelling of 307828101 in words is "three hundred seven million, eight hundred twenty-eight thousand, one hundred one".