30896949 has 4 divisors (see below), whose sum is σ = 41195936. Its totient is φ = 20597964.

The previous prime is 30896911. The next prime is 30896951. The reversal of 30896949 is 94969803.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30896949 - 2¹² = 30892853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30896898 and 30896907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30896969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5149489 + ... + 5149494.

It is an arithmetic number, because the mean of its divisors is an integer number (10298984).

Almost surely, 2^30896949 is an apocalyptic number.

It is an amenable number.

30896949 is a deficient number, since it is larger than the sum of its proper divisors (10298987).

30896949 is a wasteful number, since it uses less digits than its factorization.

30896949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298986.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 30896949 is about 5558.5024062242. The cubic root of 30896949 is about 313.7895901958.

The spelling of 30896949 in words is "thirty million, eight hundred ninety-six thousand, nine hundred forty-nine".