1018697214 has 16 divisors (see below), whose sum is σ = 2056087440. Its totient is φ = 336450240.

The previous prime is 1018697213. The next prime is 1018697243. The reversal of 1018697214 is 4127968101.

It is a super-2 number, since 2×1018697214² = 2075488027622723592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018697213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778167 + ... + 779474.

It is an arithmetic number, because the mean of its divisors is an integer number (128505465).

Almost surely, 2^1018697214 is an apocalyptic number.

1018697214 is an abundant number, since it is smaller than the sum of its proper divisors (1037390226).

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

1018697214 is a wasteful number, since it uses less digits than its factorization.

1018697214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557755.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1018697214 is about 31917.0364225753. The cubic root of 1018697214 is about 1006.1939603116.

The spelling of 1018697214 in words is "one billion, eighteen million, six hundred ninety-seven thousand, two hundred fourteen".