214711840 has 48 divisors (see below), whose sum is σ = 579724992. Its totient is φ = 73615104.

The previous prime is 214711823. The next prime is 214711867. The reversal of 214711840 is 48117412.

It is a super-2 number, since 2×214711840² = 92202348472371200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 214711799 and 214711808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94734 + ... + 96973.

It is an arithmetic number, because the mean of its divisors is an integer number (12077604).

Almost surely, 2^214711840 is an apocalyptic number.

214711840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214711840 is an abundant number, since it is smaller than the sum of its proper divisors (365013152).

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

214711840 is a wasteful number, since it uses less digits than its factorization.

214711840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191729 (or 191721 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 214711840 is about 14653.0488295099. The cubic root of 214711840 is about 598.8048803214.

The spelling of 214711840 in words is "two hundred fourteen million, seven hundred eleven thousand, eight hundred forty".