402213741 has 8 divisors (see below), whose sum is σ = 537450144. Its totient is φ = 267559920.

The previous prime is 402213709. The next prime is 402213781. The reversal of 402213741 is 147312204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402213741 - 2⁵ = 402213709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402213781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144031 + ... + 146796.

It is an arithmetic number, because the mean of its divisors is an integer number (67181268).

Almost surely, 2^402213741 is an apocalyptic number.

It is an amenable number.

402213741 is a deficient number, since it is larger than the sum of its proper divisors (135236403).

402213741 is a wasteful number, since it uses less digits than its factorization.

402213741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291291.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 402213741 is about 20055.2671635159. The cubic root of 402213741 is about 738.1630484848.

Adding to 402213741 its reverse (147312204), we get a palindrome (549525945).

The spelling of 402213741 in words is "four hundred two million, two hundred thirteen thousand, seven hundred forty-one".