30878496 has 216 divisors, whose sum is σ = 104845104. Its totient is φ = 8864640.

The previous prime is 30878479. The next prime is 30878503. The reversal of 30878496 is 69487803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1625175 + ... + 1625193.

It is an arithmetic number, because the mean of its divisors is an integer number (485394).

Almost surely, 2^30878496 is an apocalyptic number.

30878496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30878496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52422552).

30878496 is an abundant number, since it is smaller than the sum of its proper divisors (73966608).

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

30878496 is a wasteful number, since it uses less digits than its factorization.

30878496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 30878496 is about 5556.8422687710. The cubic root of 30878496 is about 313.7271081640.

The spelling of 30878496 in words is "thirty million, eight hundred seventy-eight thousand, four hundred ninety-six".