30487000 has 64 divisors (see below), whose sum is σ = 73101600. Its totient is φ = 11894400.

The previous prime is 30486977. The next prime is 30487027. The reversal of 30487000 is 78403.

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, 42646 + ... + 43354.

Almost surely, 2^30487000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30487000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36550800).

30487000 is an abundant number, since it is smaller than the sum of its proper divisors (42614600).

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

30487000 is a wasteful number, since it uses less digits than its factorization.

30487000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 30487000 is about 5521.5034184541. The cubic root of 30487000 is about 312.3955917871.

The spelling of 30487000 in words is "thirty million, four hundred eighty-seven thousand".