3420689400 has 96 divisors (see below), whose sum is σ = 11782393200. Its totient is φ = 912182400.

The previous prime is 3420689399. The next prime is 3420689443. The reversal of 3420689400 is 49860243.

It is a happy number.

It is a super-2 number, since 2×3420689400² = 23402231942544720000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311331 + ... + 322130.

Almost surely, 2^3420689400 is an apocalyptic number.

3420689400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3420689400 is an abundant number, since it is smaller than the sum of its proper divisors (8361703800).

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

3420689400 is a wasteful number, since it uses less digits than its factorization.

3420689400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633486 (or 633471 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 3420689400 is about 58486.6600174775. The cubic root of 3420689400 is about 1506.7384832328.

The spelling of 3420689400 in words is "three billion, four hundred twenty million, six hundred eighty-nine thousand, four hundred".