404157934 has 4 divisors (see below), whose sum is σ = 606236904. Its totient is φ = 202078966.

The previous prime is 404157931. The next prime is 404157937. The reversal of 404157934 is 439751404.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (404157931) and next prime (404157937).

It is a junction number, because it is equal to n+sod(n) for n = 404157893 and 404157902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404157931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101039482 + ... + 101039485.

It is an arithmetic number, because the mean of its divisors is an integer number (151559226).

Almost surely, 2^404157934 is an apocalyptic number.

404157934 is a deficient number, since it is larger than the sum of its proper divisors (202078970).

404157934 is a wasteful number, since it uses less digits than its factorization.

404157934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202078969.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 404157934 is about 20103.6796134439. The cubic root of 404157934 is about 739.3504977843.

The spelling of 404157934 in words is "four hundred four million, one hundred fifty-seven thousand, nine hundred thirty-four".