402946534 has 4 divisors (see below), whose sum is σ = 604419804. Its totient is φ = 201473266.

The previous prime is 402946517. The next prime is 402946567. The reversal of 402946534 is 435649204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×402946534² = 324731818525226312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402946493 and 402946502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100736632 + ... + 100736635.

It is an arithmetic number, because the mean of its divisors is an integer number (151104951).

Almost surely, 2^402946534 is an apocalyptic number.

402946534 is a deficient number, since it is larger than the sum of its proper divisors (201473270).

402946534 is a wasteful number, since it uses less digits than its factorization.

402946534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201473269.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 402946534 is about 20073.5281901314. The cubic root of 402946534 is about 738.6110628038.

The spelling of 402946534 in words is "four hundred two million, nine hundred forty-six thousand, five hundred thirty-four".