409457797 has 8 divisors (see below), whose sum is σ = 469774656. Its totient is φ = 349596672.

The previous prime is 409457731. The next prime is 409457813. The reversal of 409457797 is 797754904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409457797 - 2⁷ = 409457669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409457297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112003 + ... + 115600.

It is an arithmetic number, because the mean of its divisors is an integer number (58721832).

Almost surely, 2^409457797 is an apocalyptic number.

It is an amenable number.

409457797 is a deficient number, since it is larger than the sum of its proper divisors (60316859).

409457797 is a wasteful number, since it uses less digits than its factorization.

409457797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227867.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 409457797 is about 20235.0635531495. The cubic root of 409457797 is about 742.5682596989.

The spelling of 409457797 in words is "four hundred nine million, four hundred fifty-seven thousand, seven hundred ninety-seven".