84213748 has 6 divisors (see below), whose sum is σ = 147374066. Its totient is φ = 42106872.

The previous prime is 84213721. The next prime is 84213761. The reversal of 84213748 is 84731248.

It can be written as a sum of positive squares in only one way, i.e., 56881764 + 27331984 = 7542^2 + 5228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10526715 + ... + 10526722.

Almost surely, 2^84213748 is an apocalyptic number.

It is an amenable number.

84213748 is a deficient number, since it is larger than the sum of its proper divisors (63160318).

84213748 is a wasteful number, since it uses less digits than its factorization.

84213748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21053441 (or 21053439 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 84213748 is about 9176.8048905924. The cubic root of 84213748 is about 438.3230729413.

The spelling of 84213748 in words is "eighty-four million, two hundred thirteen thousand, seven hundred forty-eight".