39246240 has 96 divisors (see below), whose sum is σ = 134882496. Its totient is φ = 9512960.

The previous prime is 39246227. The next prime is 39246247. The reversal of 39246240 is 4264293.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 39246198 and 39246207.

It is not an unprimeable number, because it can be changed into a prime (39246247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564 + ... + 8996.

It is an arithmetic number, because the mean of its divisors is an integer number (1405026).

Almost surely, 2^39246240 is an apocalyptic number.

39246240 is a gapful number since it is divisible by the number (30) 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 39246240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67441248).

39246240 is an abundant number, since it is smaller than the sum of its proper divisors (95636256).

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

39246240 is a wasteful number, since it uses less digits than its factorization.

39246240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462 (or 7454 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 39246240 is about 6264.6819552153. The cubic root of 39246240 is about 339.8333670206.

The spelling of 39246240 in words is "thirty-nine million, two hundred forty-six thousand, two hundred forty".