82909394 has 8 divisors (see below), whose sum is σ = 125938560. Its totient is φ = 40929876.

The previous prime is 82909381. The next prime is 82909417. The reversal of 82909394 is 49390928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×82909394² = 13747935226894472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262214 + ... + 262529.

It is an arithmetic number, because the mean of its divisors is an integer number (15742320).

Almost surely, 2^82909394 is an apocalyptic number.

82909394 is a deficient number, since it is larger than the sum of its proper divisors (43029166).

82909394 is a wasteful number, since it uses less digits than its factorization.

82909394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524824.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 82909394 is about 9105.4595710486. The cubic root of 82909394 is about 436.0482825356.

The spelling of 82909394 in words is "eighty-two million, nine hundred nine thousand, three hundred ninety-four".