246421240 has 32 divisors (see below), whose sum is σ = 597098880. Its totient is φ = 90986112.

The previous prime is 246421237. The next prime is 246421249. The reversal of 246421240 is 42124642.

It is a happy number.

246421240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246421249) 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, 236424 + ... + 237463.

It is an arithmetic number, because the mean of its divisors is an integer number (18659340).

Almost surely, 2^246421240 is an apocalyptic number.

246421240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246421240 is an abundant number, since it is smaller than the sum of its proper divisors (350677640).

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

246421240 is a wasteful number, since it uses less digits than its factorization.

246421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473911 (or 473907 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 246421240 is about 15697.8100383461. The cubic root of 246421240 is about 626.9400962113.

Adding to 246421240 its reverse (42124642), we get a palindrome (288545882).

The spelling of 246421240 in words is "two hundred forty-six million, four hundred twenty-one thousand, two hundred forty".