407623469 has 6 divisors (see below), whose sum is σ = 448049070. Its totient is φ = 370566680.

The previous prime is 407623439. The next prime is 407623493. The reversal of 407623469 is 964326704.

It can be written as a sum of positive squares in only one way, i.e., 290702500 + 116920969 = 17050^2 + 10813^2 .

It is not a de Polignac number, because 407623469 - 2²⁸ = 139188013 is a prime.

It is a super-2 number, since 2×407623469² = 332313784959187922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407623409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684274 + ... + 1684515.

It is an arithmetic number, because the mean of its divisors is an integer number (74674845).

Almost surely, 2^407623469 is an apocalyptic number.

It is an amenable number.

407623469 is a deficient number, since it is larger than the sum of its proper divisors (40425601).

407623469 is a wasteful number, since it uses less digits than its factorization.

407623469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368811 (or 3368800 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 407623469 is about 20189.6871942088. The cubic root of 407623469 is about 741.4577237003.

The spelling of 407623469 in words is "four hundred seven million, six hundred twenty-three thousand, four hundred sixty-nine".