400926463 has 4 divisors (see below), whose sum is σ = 458201680. Its totient is φ = 343651248.

The previous prime is 400926451. The next prime is 400926473. The reversal of 400926463 is 364629004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400926463 - 2⁵ = 400926431 is a prime.

It is a super-3 number, since 3×400926463³ (a number of 27 digits) contains 333 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 (400926433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28637598 + ... + 28637611.

It is an arithmetic number, because the mean of its divisors is an integer number (114550420).

Almost surely, 2^400926463 is an apocalyptic number.

400926463 is a deficient number, since it is larger than the sum of its proper divisors (57275217).

400926463 is an equidigital number, since it uses as much as digits as its factorization.

400926463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57275216.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 400926463 is about 20023.1481790452. The cubic root of 400926463 is about 737.3747142536.

The spelling of 400926463 in words is "four hundred million, nine hundred twenty-six thousand, four hundred sixty-three".