336861309 has 16 divisors (see below), whose sum is σ = 454901888. Its totient is φ = 221709312.

The previous prime is 336861299. The next prime is 336861311. The reversal of 336861309 is 903168633.

It is not a de Polignac number, because 336861309 - 2¹³ = 336853117 is a prime.

It is a super-2 number, since 2×336861309² = 226951083002386962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336861379) 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, 140529 + ... + 142905.

It is an arithmetic number, because the mean of its divisors is an integer number (28431368).

Almost surely, 2^336861309 is an apocalyptic number.

It is an amenable number.

336861309 is a deficient number, since it is larger than the sum of its proper divisors (118040579).

336861309 is a wasteful number, since it uses less digits than its factorization.

336861309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 336861309 is about 18353.7818718650. The cubic root of 336861309 is about 695.7988564445.

The spelling of 336861309 in words is "three hundred thirty-six million, eight hundred sixty-one thousand, three hundred nine".