999013471 has 16 divisors (see below), whose sum is σ = 1043596288. Its totient is φ = 955281600.

The previous prime is 999013459. The next prime is 999013507. The reversal of 999013471 is 174310999.

It is a happy number.

It is a 8-Lehmer number, since φ(999013471) divides (999013471-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 999013471 - 2⁵ = 999013439 is a prime.

It is a super-3 number, since 3×999013471³ (a number of 28 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 (999013571) 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, 1065715 + ... + 1066651.

It is an arithmetic number, because the mean of its divisors is an integer number (65224768).

Almost surely, 2^999013471 is an apocalyptic number.

999013471 is a deficient number, since it is larger than the sum of its proper divisors (44582817).

999013471 is a wasteful number, since it uses less digits than its factorization.

999013471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 999013471 is about 31607.1743596292. The cubic root of 999013471 is about 999.6710488030.

The spelling of 999013471 in words is "nine hundred ninety-nine million, thirteen thousand, four hundred seventy-one".