103391400 has 192 divisors, whose sum is σ = 371404800. Its totient is φ = 23304960.

The previous prime is 103391383. The next prime is 103391411. The reversal of 103391400 is 4193301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 432481 + ... + 432719.

It is an arithmetic number, because the mean of its divisors is an integer number (1934400).

Almost surely, 2^103391400 is an apocalyptic number.

103391400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103391400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185702400).

103391400 is an abundant number, since it is smaller than the sum of its proper divisors (268013400).

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

103391400 is a wasteful number, since it uses less digits than its factorization.

103391400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 103391400 is about 10168.1561750398. The cubic root of 103391400 is about 469.3478203567.

The spelling of 103391400 in words is "one hundred three million, three hundred ninety-one thousand, four hundred".