407896431 has 8 divisors (see below), whose sum is σ = 545930880. Its totient is φ = 270896472.

The previous prime is 407896417. The next prime is 407896483. The reversal of 407896431 is 134698704.

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

It is not a de Polignac number, because 407896431 - 2⁶ = 407896367 is a prime.

It is a super-2 number, since 2×407896431² = 332758996845075522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407896031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257701 + ... + 259278.

It is an arithmetic number, because the mean of its divisors is an integer number (68241360).

Almost surely, 2^407896431 is an apocalyptic number.

407896431 is a deficient number, since it is larger than the sum of its proper divisors (138034449).

407896431 is a wasteful number, since it uses less digits than its factorization.

407896431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517245.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 407896431 is about 20196.4459992346. The cubic root of 407896431 is about 741.6231906398.

The spelling of 407896431 in words is "four hundred seven million, eight hundred ninety-six thousand, four hundred thirty-one".