1396236420 has 48 divisors (see below), whose sum is σ = 4343848320. Its totient is φ = 372329568.

The previous prime is 1396236419. The next prime is 1396236421. The reversal of 1396236420 is 246326931.

1396236420 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 2 + 3 + 642 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1396236419) and next prime (1396236421).

It is a super-2 number, since 2×1396236420² = 3898952281068832800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1396236421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292272 + ... + 1293351.

It is an arithmetic number, because the mean of its divisors is an integer number (90496840).

Almost surely, 2^1396236420 is an apocalyptic number.

1396236420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396236420 is an abundant number, since it is smaller than the sum of its proper divisors (2947611900).

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

1396236420 is a wasteful number, since it uses less digits than its factorization.

1396236420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585641 (or 2585633 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1396236420 is about 37366.2470687116. The cubic root of 1396236420 is about 1117.6855959478.

The spelling of 1396236420 in words is "one billion, three hundred ninety-six million, two hundred thirty-six thousand, four hundred twenty".