127964394 has 16 divisors (see below), whose sum is σ = 284365440. Its totient is φ = 42654780.

The previous prime is 127964383. The next prime is 127964399. The reversal of 127964394 is 493469721.

It is a happy number.

127964394 is a `hidden beast` number, since 127 + 96 + 439 + 4 = 666.

It is a super-2 number, since 2×127964394² = 32749772263574472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127964399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184802 + ... + 1184909.

It is an arithmetic number, because the mean of its divisors is an integer number (17772840).

Almost surely, 2^127964394 is an apocalyptic number.

127964394 is an abundant number, since it is smaller than the sum of its proper divisors (156401046).

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

127964394 is a wasteful number, since it uses less digits than its factorization.

127964394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369722 (or 2369716 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 127964394 is about 11312.1348117851. The cubic root of 127964394 is about 503.9216856775.

The spelling of 127964394 in words is "one hundred twenty-seven million, nine hundred sixty-four thousand, three hundred ninety-four".