1396826430 has 16 divisors (see below), whose sum is σ = 3352383504. Its totient is φ = 372487040.

The previous prime is 1396826399. The next prime is 1396826461. The reversal of 1396826430 is 346286931.

It is an interprime number because it is at equal distance from previous prime (1396826399) and next prime (1396826461).

It is a super-2 number, since 2×1396826430² = 3902248151093089800, which contains 22 as substring.

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, 23280411 + ... + 23280470.

It is an arithmetic number, because the mean of its divisors is an integer number (209523969).

Almost surely, 2^1396826430 is an apocalyptic number.

1396826430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396826430 is an abundant number, since it is smaller than the sum of its proper divisors (1955557074).

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

1396826430 is a wasteful number, since it uses less digits than its factorization.

1396826430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46560891.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1396826430 is about 37374.1411941465. The cubic root of 1396826430 is about 1117.8430078787.

The spelling of 1396826430 in words is "one billion, three hundred ninety-six million, eight hundred twenty-six thousand, four hundred thirty".