214748390 has 16 divisors (see below), whose sum is σ = 391205808. Its totient is φ = 84864096.

The previous prime is 214748389. The next prime is 214748399. The reversal of 214748390 is 93847412.

It is a super-2 number, since 2×214748390² = 92233742015184200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214748399) 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, 128537 + ... + 130196.

It is an arithmetic number, because the mean of its divisors is an integer number (24450363).

Almost surely, 2^214748390 is an apocalyptic number.

214748390 is a deficient number, since it is larger than the sum of its proper divisors (176457418).

214748390 is a wasteful number, since it uses less digits than its factorization.

214748390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258823.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 214748390 is about 14654.2959571588. The cubic root of 214748390 is about 598.8388562099.

The spelling of 214748390 in words is "two hundred fourteen million, seven hundred forty-eight thousand, three hundred ninety".