407669249 has 8 divisors (see below), whose sum is σ = 442381632. Its totient is φ = 373435920.

The previous prime is 407669243. The next prime is 407669257. The reversal of 407669249 is 942966704.

It is a happy number.

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

It is not a de Polignac number, because 407669249 - 2⁴ = 407669233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (407669243) 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, 117989 + ... + 121394.

It is an arithmetic number, because the mean of its divisors is an integer number (55297704).

Almost surely, 2^407669249 is an apocalyptic number.

It is an amenable number.

407669249 is a deficient number, since it is larger than the sum of its proper divisors (34712383).

407669249 is a wasteful number, since it uses less digits than its factorization.

407669249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239527.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 407669249 is about 20190.8209095123. The cubic root of 407669249 is about 741.4854802505.

The spelling of 407669249 in words is "four hundred seven million, six hundred sixty-nine thousand, two hundred forty-nine".