400763093 has 16 divisors (see below), whose sum is σ = 422513280. Its totient is φ = 379611456.

The previous prime is 400763089. The next prime is 400763101. The reversal of 400763093 is 390367004.

It is not a de Polignac number, because 400763093 - 2² = 400763089 is a prime.

It is a super-2 number, since 2×400763093² = 321222113421853298, 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 (400763003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401471 + ... + 402467.

It is an arithmetic number, because the mean of its divisors is an integer number (26407080).

Almost surely, 2^400763093 is an apocalyptic number.

It is an amenable number.

400763093 is a deficient number, since it is larger than the sum of its proper divisors (21750187).

400763093 is a wasteful number, since it uses less digits than its factorization.

400763093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 400763093 is about 20019.0682350603. The cubic root of 400763093 is about 737.2745451999.

The spelling of 400763093 in words is "four hundred million, seven hundred sixty-three thousand, ninety-three".