1264398 has 16 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 419576.

The previous prime is 1264387. The next prime is 1264411. The reversal of 1264398 is 8934621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2^1264398 is an apocalyptic number.

1264398 is an abundant number, since it is smaller than the sum of its proper divisors (1275762).

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

1264398 is a wasteful number, since it uses less digits than its factorization.

1264398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its digits is 10368, while the sum is 33.

The square root of 1264398 is about 1124.4545344299. The cubic root of 1264398 is about 108.1337506144.

The spelling of 1264398 in words is "one million, two hundred sixty-four thousand, three hundred ninety-eight".