30400482 has 48 divisors (see below), whose sum is σ = 72099072. Its totient is φ = 8517600.

The previous prime is 30400481. The next prime is 30400483. The reversal of 30400482 is 28400403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30400481) and next prime (30400483).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30400481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14607 + ... + 16557.

It is an arithmetic number, because the mean of its divisors is an integer number (1502064).

Almost surely, 2^30400482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30400482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36049536).

30400482 is an abundant number, since it is smaller than the sum of its proper divisors (41698590).

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

30400482 is a wasteful number, since it uses less digits than its factorization.

30400482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 30400482 is about 5513.6632106069. The cubic root of 30400482 is about 312.0997995990.

Adding to 30400482 its sum of digits (21), we get a triangular number (30400503 = T₇₇₉₇).

Adding to 30400482 its reverse (28400403), we get a palindrome (58800885).

The spelling of 30400482 in words is "thirty million, four hundred thousand, four hundred eighty-two".