30679146 has 12 divisors (see below), whose sum is σ = 66471522. Its totient is φ = 10226376.

The previous prime is 30679141. The next prime is 30679183. The reversal of 30679146 is 64197603.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 308025 = 5511^2 + 555^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30679146.

It is not an unprimeable number, because it can be changed into a prime (30679141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852181 + ... + 852216.

Almost surely, 2^30679146 is an apocalyptic number.

30679146 is an abundant number, since it is smaller than the sum of its proper divisors (35792376).

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

30679146 is a wasteful number, since it uses less digits than its factorization.

30679146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704405 (or 1704402 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30679146 is about 5538.8758787321. The cubic root of 30679146 is about 313.0505146315.

The spelling of 30679146 in words is "thirty million, six hundred seventy-nine thousand, one hundred forty-six".