307421016 has 64 divisors (see below), whose sum is σ = 879974400. Its totient is φ = 87671808.

The previous prime is 307421011. The next prime is 307421039. The reversal of 307421016 is 610124703.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307421011) 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, 111705 + ... + 114423.

It is an arithmetic number, because the mean of its divisors is an integer number (13749600).

Almost surely, 2^307421016 is an apocalyptic number.

It is an amenable number.

307421016 is an abundant number, since it is smaller than the sum of its proper divisors (572553384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307421016 is a wasteful number, since it uses less digits than its factorization.

307421016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 307421016 is about 17533.4256778303. The cubic root of 307421016 is about 674.9079095217.

Adding to 307421016 its reverse (610124703), we get a palindrome (917545719).

It can be divided in two parts, 3074 and 21016, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 307421016 in words is "three hundred seven million, four hundred twenty-one thousand, sixteen".