30098040 has 64 divisors (see below), whose sum is σ = 103196160. Its totient is φ = 6879360.

The previous prime is 30098009. The next prime is 30098063. The reversal of 30098040 is 4089003.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30098040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17076 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (1612440).

Almost surely, 2^30098040 is an apocalyptic number.

30098040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30098040 is an abundant number, since it is smaller than the sum of its proper divisors (73098120).

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

30098040 is a wasteful number, since it uses less digits than its factorization.

30098040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35852 (or 35848 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30098040 is about 5486.1680615891. The cubic root of 30098040 is about 311.0613637388.

The spelling of 30098040 in words is "thirty million, ninety-eight thousand, forty".