42321948 has 24 divisors (see below), whose sum is σ = 99188880. Its totient is φ = 14044800.

The previous prime is 42321943. The next prime is 42321953. The reversal of 42321948 is 84912324.

It is an interprime number because it is at equal distance from previous prime (42321943) and next prime (42321953).

It is a super-2 number, since 2×42321948² = 3582294565029408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (4132870).

Almost surely, 2^42321948 is an apocalyptic number.

It is an amenable number.

42321948 is an abundant number, since it is smaller than the sum of its proper divisors (56866932).

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

42321948 is a wasteful number, since it uses less digits than its factorization.

42321948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15637 (or 15635 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 42321948 is about 6505.5321073683. The cubic root of 42321948 is about 348.4885791566.

The spelling of 42321948 in words is "forty-two million, three hundred twenty-one thousand, nine hundred forty-eight".