1000396534 has 4 divisors (see below), whose sum is σ = 1500594804. Its totient is φ = 500198266.

The previous prime is 1000396519. The next prime is 1000396541. The reversal of 1000396534 is 4356930001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4356930001 = 2657 ⋅1639793.

It is a junction number, because it is equal to n+sod(n) for n = 1000396496 and 1000396505.

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, 250099132 + ... + 250099135.

It is an arithmetic number, because the mean of its divisors is an integer number (375148701).

Almost surely, 2^1000396534 is an apocalyptic number.

1000396534 is a deficient number, since it is larger than the sum of its proper divisors (500198270).

1000396534 is an equidigital number, since it uses as much as digits as its factorization.

1000396534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500198269.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1000396534 is about 31629.0457333129. The cubic root of 1000396534 is about 1000.1321605328.

The spelling of 1000396534 in words is "one billion, three hundred ninety-six thousand, five hundred thirty-four".