402236948 has 6 divisors (see below), whose sum is σ = 703914666. Its totient is φ = 201118472.

The previous prime is 402236917. The next prime is 402236957. The reversal of 402236948 is 849632204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 393546244 + 8690704 = 19838^2 + 2948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50279615 + ... + 50279622.

It is an arithmetic number, because the mean of its divisors is an integer number (117319111).

Almost surely, 2^402236948 is an apocalyptic number.

It is an amenable number.

402236948 is a deficient number, since it is larger than the sum of its proper divisors (301677718).

402236948 is a wasteful number, since it uses less digits than its factorization.

402236948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100559241 (or 100559239 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 402236948 is about 20055.8457313572. The cubic root of 402236948 is about 738.1772450994.

The spelling of 402236948 in words is "four hundred two million, two hundred thirty-six thousand, nine hundred forty-eight".