88321949 has 2 divisors, whose sum is σ = 88321950. Its totient is φ = 88321948.

The previous prime is 88321943. The next prime is 88321993. The reversal of 88321949 is 94912388.

It is a happy number.

It is an a-pointer prime, because the next prime (88321993) can be obtained adding 88321949 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79530724 + 8791225 = 8918^2 + 2965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88321949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88321943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44160974 + 44160975.

It is an arithmetic number, because the mean of its divisors is an integer number (44160975).

Almost surely, 2^88321949 is an apocalyptic number.

It is an amenable number.

88321949 is a deficient number, since it is larger than the sum of its proper divisors (1).

88321949 is an equidigital number, since it uses as much as digits as its factorization.

88321949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 88321949 is about 9397.9757926907. The cubic root of 88321949 is about 445.3377883880.

The spelling of 88321949 in words is "eighty-eight million, three hundred twenty-one thousand, nine hundred forty-nine".