30489682 has 4 divisors (see below), whose sum is σ = 45734526. Its totient is φ = 15244840.

The previous prime is 30489673. The next prime is 30489703. The reversal of 30489682 is 28698403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28698403 = 239 ⋅120077.

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 6095961 = 4939^2 + 2469^2 .

It is a super-2 number, since 2×30489682² = 1859241416922248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622419 + ... + 7622422.

Almost surely, 2^30489682 is an apocalyptic number.

30489682 is a deficient number, since it is larger than the sum of its proper divisors (15244844).

30489682 is a wasteful number, since it uses less digits than its factorization.

30489682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15244843.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 30489682 is about 5521.7462817482. The cubic root of 30489682 is about 312.4047521988.

The spelling of 30489682 in words is "thirty million, four hundred eighty-nine thousand, six hundred eighty-two".