82347406 has 16 divisors (see below), whose sum is σ = 135676800. Its totient is φ = 37310328.

The previous prime is 82347403. The next prime is 82347409. The reversal of 82347406 is 60474328.

It is an interprime number because it is at equal distance from previous prime (82347403) and next prime (82347409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82347401) 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, 46236 + ... + 47983.

It is an arithmetic number, because the mean of its divisors is an integer number (8479800).

Almost surely, 2^82347406 is an apocalyptic number.

82347406 is a deficient number, since it is larger than the sum of its proper divisors (53329394).

82347406 is a wasteful number, since it uses less digits than its factorization.

82347406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94263.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 82347406 is about 9074.5471512357. The cubic root of 82347406 is about 435.0608203152.

The spelling of 82347406 in words is "eighty-two million, three hundred forty-seven thousand, four hundred six".