30469620 has 24 divisors (see below), whose sum is σ = 85315104. Its totient is φ = 8125216.

The previous prime is 30469619. The next prime is 30469631. The reversal of 30469620 is 2696403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253854 + ... + 253973.

It is an arithmetic number, because the mean of its divisors is an integer number (3554796).

Almost surely, 2^30469620 is an apocalyptic number.

30469620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30469620 is an abundant number, since it is smaller than the sum of its proper divisors (54845484).

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

30469620 is a wasteful number, since it uses less digits than its factorization.

30469620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507839 (or 507837 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30469620 is about 5519.9293473739. The cubic root of 30469620 is about 312.3362171089.

The spelling of 30469620 in words is "thirty million, four hundred sixty-nine thousand, six hundred twenty".