30976149 has 8 divisors (see below), whose sum is σ = 42180480. Its totient is φ = 20211296.

The previous prime is 30976139. The next prime is 30976151. The reversal of 30976149 is 94167903.

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

It is a cyclic number.

It is not a de Polignac number, because 30976149 - 2⁴ = 30976133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30976109) 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, 109704 + ... + 109985.

It is an arithmetic number, because the mean of its divisors is an integer number (5272560).

Almost surely, 2^30976149 is an apocalyptic number.

It is an amenable number.

30976149 is a deficient number, since it is larger than the sum of its proper divisors (11204331).

30976149 is a wasteful number, since it uses less digits than its factorization.

30976149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219739.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 30976149 is about 5565.6220676578. The cubic root of 30976149 is about 314.0574799772.

It can be divided in two parts, 30976 and 149, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 30976149 in words is "thirty million, nine hundred seventy-six thousand, one hundred forty-nine".