146697984 has 54 divisors (see below), whose sum is σ = 422973096. Its totient is φ = 48898560.

The previous prime is 146697973. The next prime is 146697989. The reversal of 146697984 is 489796641.

146697984 is a `hidden beast` number, since 1 + 466 + 97 + 98 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 146697984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146697989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29532 + ... + 34139.

Almost surely, 2^146697984 is an apocalyptic number.

It is an amenable number.

146697984 is an abundant number, since it is smaller than the sum of its proper divisors (276275112).

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

146697984 is an equidigital number, since it uses as much as digits as its factorization.

146697984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63693 (or 63676 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 146697984 is about 12111.8943192219. The cubic root of 146697984 is about 527.4015257581.

The spelling of 146697984 in words is "one hundred forty-six million, six hundred ninety-seven thousand, nine hundred eighty-four".