816401514 has 32 divisors (see below), whose sum is σ = 1708159104. Its totient is φ = 259635200.

The previous prime is 816401507. The next prime is 816401543. The reversal of 816401514 is 415104618.

It is a super-2 number, since 2×816401514² = 1333022864122984392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47962 + ... + 62714.

It is an arithmetic number, because the mean of its divisors is an integer number (53379972).

Almost surely, 2^816401514 is an apocalyptic number.

816401514 is an abundant number, since it is smaller than the sum of its proper divisors (891757590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816401514 is a wasteful number, since it uses less digits than its factorization.

816401514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 816401514 is about 28572.7407505825. The cubic root of 816401514 is about 934.6189889541.

The spelling of 816401514 in words is "eight hundred sixteen million, four hundred one thousand, five hundred fourteen".