400995093 has 16 divisors (see below), whose sum is σ = 562478400. Its totient is φ = 253733760.

The previous prime is 400995043. The next prime is 400995103. The reversal of 400995093 is 390599004.

It is a happy number.

It is not a de Polignac number, because 400995093 - 2⁸ = 400994837 is a prime.

It is a super-2 number, since 2×400995093² = 321594129220157298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400995043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33928 + ... + 44193.

It is an arithmetic number, because the mean of its divisors is an integer number (35154900).

Almost surely, 2^400995093 is an apocalyptic number.

It is an amenable number.

400995093 is a deficient number, since it is larger than the sum of its proper divisors (161483307).

400995093 is a wasteful number, since it uses less digits than its factorization.

400995093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78212.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 400995093 is about 20024.8618721828. The cubic root of 400995093 is about 737.4167860914.

The spelling of 400995093 in words is "four hundred million, nine hundred ninety-five thousand, ninety-three".