88381949 has 4 divisors (see below), whose sum is σ = 90262464. Its totient is φ = 86501436.

The previous prime is 88381921. The next prime is 88381973. The reversal of 88381949 is 94918388.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88381949 - 2⁸ = 88381693 is a prime.

It is a super-2 number, since 2×88381949² = 15622737818077202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88381897 and 88381906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88381549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940187 + ... + 940280.

It is an arithmetic number, because the mean of its divisors is an integer number (22565616).

Almost surely, 2^88381949 is an apocalyptic number.

It is an amenable number.

88381949 is a deficient number, since it is larger than the sum of its proper divisors (1880515).

88381949 is a wasteful number, since it uses less digits than its factorization.

88381949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880514.

The product of its digits is 497664, while the sum is 50.

The square root of 88381949 is about 9401.1674275060. The cubic root of 88381949 is about 445.4386097552.

The spelling of 88381949 in words is "eighty-eight million, three hundred eighty-one thousand, nine hundred forty-nine".