48309492 has 144 divisors (see below), whose sum is σ = 145980800. Its totient is φ = 12418560.

The previous prime is 48309487. The next prime is 48309517. The reversal of 48309492 is 29490384.

It is a self number, because there is not a number n which added to its sum of digits gives 48309492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497988 + ... + 498084.

Almost surely, 2^48309492 is an apocalyptic number.

48309492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48309492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72990400).

48309492 is an abundant number, since it is smaller than the sum of its proper divisors (97671308).

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

48309492 is a wasteful number, since it uses less digits than its factorization.

48309492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 48309492 is about 6950.5030033804. The cubic root of 48309492 is about 364.2035350848.

The spelling of 48309492 in words is "forty-eight million, three hundred nine thousand, four hundred ninety-two".