30029400 has 192 divisors, whose sum is σ = 106243200. Its totient is φ = 7793280.

The previous prime is 30029399. The next prime is 30029423. The reversal of 30029400 is 492003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361759 + ... + 361841.

It is an arithmetic number, because the mean of its divisors is an integer number (553350).

Almost surely, 2^30029400 is an apocalyptic number.

30029400 is a gapful number since it is divisible by the number (30) 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 30029400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53121600).

30029400 is an abundant number, since it is smaller than the sum of its proper divisors (76213800).

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

30029400 is a wasteful number, since it uses less digits than its factorization.

30029400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30029400 is about 5479.9087583645. The cubic root of 30029400 is about 310.8247203843.

The spelling of 30029400 in words is "thirty million, twenty-nine thousand, four hundred".