30897454 has 16 divisors (see below), whose sum is σ = 53277408. Its totient is φ = 13164192.

The previous prime is 30897437. The next prime is 30897457. The reversal of 30897454 is 45479803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30897457) 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, 3957 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (3329838).

Almost surely, 2^30897454 is an apocalyptic number.

30897454 is a deficient number, since it is larger than the sum of its proper divisors (22379954).

30897454 is a wasteful number, since it uses less digits than its factorization.

30897454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12939.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 30897454 is about 5558.5478319432. The cubic root of 30897454 is about 313.7912997807.

The spelling of 30897454 in words is "thirty million, eight hundred ninety-seven thousand, four hundred fifty-four".