30949464 has 128 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 7921152.

The previous prime is 30949463. The next prime is 30949481. The reversal of 30949464 is 46494903.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30949463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80617 + ... + 80999.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^30949464 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 30949464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49029120).

30949464 is an abundant number, since it is smaller than the sum of its proper divisors (67108776).

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

30949464 is a wasteful number, since it uses less digits than its factorization.

30949464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 30949464 is about 5563.2242449860. The cubic root of 30949464 is about 313.9672704469.

It can be divided in two parts, 30949 and 464, that added together give a palindrome (31413).

The spelling of 30949464 in words is "thirty million, nine hundred forty-nine thousand, four hundred sixty-four".