234640377 has 12 divisors (see below), whose sum is σ = 340447744. Its totient is φ = 155724120.

The previous prime is 234640369. The next prime is 234640391. The reversal of 234640377 is 773046432.

It is a happy number.

234640377 is a `hidden beast` number, since 2 + 3 + 4 + 640 + 3 + 7 + 7 = 666.

It is not a de Polignac number, because 234640377 - 2³ = 234640369 is a prime.

It is a super-2 number, since 2×234640377² = 110112213037404258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234640327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56449 + ... + 60462.

Almost surely, 2^234640377 is an apocalyptic number.

It is an amenable number.

234640377 is a deficient number, since it is larger than the sum of its proper divisors (105807367).

234640377 is a wasteful number, since it uses less digits than its factorization.

234640377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117140 (or 117137 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 234640377 is about 15317.9756169019. The cubic root of 234640377 is about 616.7856333742.

The spelling of 234640377 in words is "two hundred thirty-four million, six hundred forty thousand, three hundred seventy-seven".