307972269 has 24 divisors (see below), whose sum is σ = 486918432. Its totient is φ = 186023520.

The previous prime is 307972229. The next prime is 307972283. The reversal of 307972269 is 962279703.

It is a happy number.

It is not a de Polignac number, because 307972269 - 2¹² = 307968173 is a prime.

It is a super-2 number, since 2×307972269² = 189693836946016722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307972219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25327 + ... + 35459.

It is an arithmetic number, because the mean of its divisors is an integer number (20288268).

Almost surely, 2^307972269 is an apocalyptic number.

It is an amenable number.

307972269 is a deficient number, since it is larger than the sum of its proper divisors (178946163).

307972269 is a wasteful number, since it uses less digits than its factorization.

307972269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457 (or 10454 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 307972269 is about 17549.1386968136. The cubic root of 307972269 is about 675.3110730812.

The spelling of 307972269 in words is "three hundred seven million, nine hundred seventy-two thousand, two hundred sixty-nine".