407212403 has 16 divisors (see below), whose sum is σ = 454534080. Its totient is φ = 362226816.

The previous prime is 407212387. The next prime is 407212423. The reversal of 407212403 is 304212704.

It is a cyclic number.

It is not a de Polignac number, because 407212403 - 2⁴ = 407212387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (407212423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364001 + ... + 365117.

It is an arithmetic number, because the mean of its divisors is an integer number (28408380).

Almost surely, 2^407212403 is an apocalyptic number.

407212403 is a deficient number, since it is larger than the sum of its proper divisors (47321677).

407212403 is a wasteful number, since it uses less digits than its factorization.

407212403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 407212403 is about 20179.5045281097. The cubic root of 407212403 is about 741.2084000022.

The spelling of 407212403 in words is "four hundred seven million, two hundred twelve thousand, four hundred three".