30488942 has 8 divisors (see below), whose sum is σ = 49891032. Its totient is φ = 13858600.

The previous prime is 30488933. The next prime is 30488951. The reversal of 30488942 is 24988403.

It is an interprime number because it is at equal distance from previous prime (30488933) and next prime (30488951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30488896 and 30488905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692909 + ... + 692952.

It is an arithmetic number, because the mean of its divisors is an integer number (6236379).

Almost surely, 2^30488942 is an apocalyptic number.

30488942 is a deficient number, since it is larger than the sum of its proper divisors (19402090).

30488942 is a wasteful number, since it uses less digits than its factorization.

30488942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385874.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 30488942 is about 5521.6792735544. The cubic root of 30488942 is about 312.4022247712.

The spelling of 30488942 in words is "thirty million, four hundred eighty-eight thousand, nine hundred forty-two".