929409457 has 4 divisors (see below), whose sum is σ = 934781940. Its totient is φ = 924036976.

The previous prime is 929409451. The next prime is 929409473. The reversal of 929409457 is 754904929.

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

It can be written as a sum of positive squares in 2 ways, for example, as 855036081 + 74373376 = 29241^2 + 8624^2 .

It is a cyclic number.

It is not a de Polignac number, because 929409457 - 2²⁷ = 795191729 is a prime.

It is a super-2 number, since 2×929409457² = 1727603877522069698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 929409457.

It is not an unprimeable number, because it can be changed into a prime (929409451) 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 in 3 ways as a sum of consecutive naturals, for example, 2685982 + ... + 2686327.

It is an arithmetic number, because the mean of its divisors is an integer number (233695485).

Almost surely, 2^929409457 is an apocalyptic number.

It is an amenable number.

929409457 is a deficient number, since it is larger than the sum of its proper divisors (5372483).

929409457 is a wasteful number, since it uses less digits than its factorization.

929409457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372482.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 929409457 is about 30486.2174924998. The cubic root of 929409457 is about 975.8933585362.

The spelling of 929409457 in words is "nine hundred twenty-nine million, four hundred nine thousand, four hundred fifty-seven".